diff --git a/src/main.cc b/src/main.cc
index c277fa8..2da26c3 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -7,6 +7,8 @@
 #include <xcdat.hpp>
 #include <utility>
 #include <unistd.h>
+#include <filesystem>
+#include <map>
 
 // Struct to hold the view and id of each entry
 struct Entry {
@@ -39,42 +41,65 @@ inline std::pair<std::string, std::string> remove_one_utf8_char(const std::strin
 }
 
 // Function to check input from command line or piped input
-inline std::string get_input(int argc, char* argv[]) {
+inline std::string get_input(int argc, char* argv[], bool goldendict_mode) {
     std::string search_string;
-    
+
     if (!isatty(fileno(stdin))) { // If input is piped
         std::getline(std::cin, search_string);
     } else { // If input is provided as command line argument
-        if (argc < 2) {
-            std::cerr << "Usage: " << argv[0] << " <search_string>" << std::endl;
-            exit(1);
-        }
-
-        for (int i = 1; i < argc; ++i) {
-            if (std::strcmp(argv[i], "--debug") == 0) {
-                // Handle debug mode
-            } else if (std::strcmp(argv[i], "--dict") == 0 && i + 1 < argc) {
-                // Skip the next argument as it's the dictionary file path
-                i++;
-            } else {
-                search_string = argv[i];
-                break;
+        if (goldendict_mode) {
+            for (int i = 1; i < argc; ++i) {
+                if (std::strcmp(argv[i], "--sentence") == 0 && i + 1 < argc) {
+                    search_string = argv[i + 1];
+                    break;
+                }
+            }
+        } else {
+            if (argc < 2) {
+                std::cerr << "Usage: " << argv[0] << " <search_string>" << std::endl;
+                exit(1);
+            }
+            for (int i = 1; i < argc; ++i) {
+                if (std::strcmp(argv[i], "--debug") == 0) {
+                    // Handle debug mode
+                } else if (std::strcmp(argv[i], "--dict") == 0 && i + 1 < argc) {
+                    // Skip the next argument as it's the dictionary file path
+                    i++;
+                } else {
+                    search_string = argv[i];
+                    break;
+                }
             }
         }
     }
-    
+
     if (search_string.empty()) {
         std::cerr << "Search string not provided." << std::endl;
         exit(1);
     }
-    
+
     return search_string;
 }
 
+auto find_dic_file() -> std::filesystem::path {
+    static auto const locations = {
+        std::filesystem::path("/usr/share/hakurei/"),
+        std::filesystem::path(std::getenv("HOME")) / ".local/share/hakurei/",
+        std::filesystem::current_path()
+    };
+    for (auto const& location : locations) {
+        if (std::filesystem::exists(location / "dict.bin") && std::filesystem::is_regular_file(location / "dict.bin")) {
+            return (location / "dict.bin");
+        }
+    }
+    throw std::runtime_error("Couldn't find the word list.");
+}
+
 int main(int argc, char* argv[]) {
-    std::string search_string = get_input(argc, argv);
     bool debug_mode = false;
-    std::string dict_file = "dict.bin"; // Default dictionary file path
+    bool goldendict_mode = false;
+    std::string word, sentence;
+    std::string dict_file = find_dic_file().string(); // Default dictionary file path
 
     // Parse command line arguments
     for (int i = 1; i < argc; ++i) {
@@ -83,14 +108,28 @@ int main(int argc, char* argv[]) {
         } else if (std::strcmp(argv[i], "--dict") == 0 && i + 1 < argc) {
             dict_file = argv[i + 1];
             i++; // Skip the next argument as it's the dictionary file path
+        } else if (std::strcmp(argv[i], "--goldendict") == 0) {
+            goldendict_mode = true;
+        } else if (std::strcmp(argv[i], "--word") == 0 && i + 1 < argc) {
+            word = argv[i + 1];
+            i++;
+        } else if (std::strcmp(argv[i], "--sentence") == 0 && i + 1 < argc) {
+            sentence = argv[i + 1];
+            i++;
         }
     }
 
+    std::string search_string = get_input(argc, argv, goldendict_mode);
+    if (goldendict_mode && !sentence.empty()) {
+        search_string = sentence;
+    }
+
     std::string raw_output;
     const auto trie = xcdat::load<xcdat::trie_15_type>(dict_file);
 
     std::vector<std::string> substrings;
     std::vector<Entry> results;
+    std::map<std::string, std::vector<std::string>> derived_map;
 
     while (!search_string.empty()) {
         auto itr = trie.make_prefix_iterator(search_string);
@@ -104,14 +143,17 @@ int main(int argc, char* argv[]) {
             for (const auto& entry : results) {
                 std::string substring(entry.decoded_view);
                 substrings.push_back(substring);
-                std::cout << substring << std::endl;
+                derived_map[substring].push_back(search_string);
+                if (!goldendict_mode) {
+                    std::cout << substring << std::endl;
+                }
             }
         }
 
         // Remove one UTF-8 character from the search string and get the removed character
         auto [removed_char, new_search_string] = remove_one_utf8_char(search_string);
 
-        if (!removed_char.empty()) {
+        if (!removed_char.empty() && !goldendict_mode) {
             std::cout << removed_char << std::endl;
         }
 
@@ -126,15 +168,33 @@ int main(int argc, char* argv[]) {
         results.clear();
 
         // Remove leading whitespace
-        while (!search_string.empty() && std::isspace(search_string.front())) {
-            search_string.erase(0, 1);
-        }
+        search_string.erase(0, search_string.find_first_not_of(" \t\n\r\f\v"));
     }
 
     // Print debug information if in debug mode
     if (debug_mode) {
-        std::cout << "Stored raw output:" << std::endl << raw_output << std::endl;
+        std::cout << "Stored raw output:" << std::endl;
+        for (const auto& str : substrings) {
+            std::cout << str << std::endl;
+        }
+    }
+
+    // Wrap the output in HTML format for GoldenDict if in GoldenDict mode
+    if (goldendict_mode) {
+        std::cout << "<!DOCTYPE html><html><head><style>.gd-marisa { font-size: 2rem; margin-bottom: 0.05em; margin-top: -0.2em; color: #1268c3; font-weight: normal; } .gd-marisa a { display: inline-block; font-weight: normal; color: royalblue; text-decoration: none; border-bottom: dashed max(1px, calc(1em / 16)) currentColor; } .gd-marisa a.gd-headword { background-color: #ddeeff; border-radius: 0.2rem; font-weight: 500; } .gd-marisa > ul { --size: 1rem; font-size: var(--size); padding-inline-start: var(--size); margin-block: 2px; } .gd-marisa .alternatives { --size: 1rem; display: grid; font-size: var(--size); gap: calc( var(--size) / 4); max-width: 100%; margin: 0 auto; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); align-content: start; justify-content: space-around; text-align: left; padding: 5px 0px; } .gd-marisa .alternatives > ul { list-style-type: none; margin: 0; padding: calc( var(--size) / 4); background-color: hsl(150deg 30% 60% / 10%); } </style></head><body><div class=\"gd-marisa\">";
+        for (const auto& [key, values] : derived_map) {
+            std::cout << "<a href=\"bword:" << key << "\">" << key << "</a>";
+            if (!values.empty()) {
+                std::cout << "<ul>";
+                for (const auto& value : values) {
+                    std::cout << "<li><a href=\"bword:" << value << "\">" << value << "</a></li>";
+                }
+                std::cout << "</ul>";
+            }
+        }
+        std::cout << "</div></body></html>";
     }
 
     return 0;
 }
+