diff --git a/package.json b/package.json
index 154b2439..e5533c56 100644
--- a/package.json
+++ b/package.json
@@ -1127,6 +1127,11 @@
           ],
           "description": "%config.openai_api_model%"
         },
+        "i18n-ally.translate.openai.systemPromptExtended": {
+          "type": "string",
+          "default": "",
+          "description": "OpenAI system prompt. This can be used to customize the behavior of the translation engine through natural language."
+        },
         "i18n-ally.usage.scanningIgnore": {
           "type": "array",
           "items": {
diff --git a/src/core/Config.ts b/src/core/Config.ts
index 3eedd1c5..f941a12e 100644
--- a/src/core/Config.ts
+++ b/src/core/Config.ts
@@ -584,6 +584,10 @@ export class Config {
     return this.getConfig<string>('translate.openai.apiModel') ?? 'gpt-3.5-turbo'
   }
 
+  static get openaiApiSystemPromptExtended() {
+    return this.getConfig<string | null | undefined>('translate.openai.systemPromptExtended')
+  }
+
   static get telemetry(): boolean {
     return workspace.getConfiguration().get('telemetry.enableTelemetry') as boolean
   }
diff --git a/src/translators/engines/openai.ts b/src/translators/engines/openai.ts
index 2cf2a9a8..59ad45b9 100644
--- a/src/translators/engines/openai.ts
+++ b/src/translators/engines/openai.ts
@@ -4,7 +4,7 @@ import { Config } from "~/core";
 
 export default class OpenAITranslate extends TranslateEngine {
   apiRoot = "https://api.openai.com";
-  systemPrompt = "You are a professional translation engine. Please translate text without explanation.";
+  baseSystemPrompt = "You are a professional translation engine. Please translate text without explanation.";
 
   async translate(options: TranslateOptions) {
     let apiKey = Config.openaiApiKey;
@@ -12,6 +12,7 @@ export default class OpenAITranslate extends TranslateEngine {
     if (Config.openaiApiRoot) apiRoot = Config.openaiApiRoot.replace(/\/$/, "");
     let model = Config.openaiApiModel;
 
+    const systemPrompt = Config.openaiApiSystemPromptExtended ? this.baseSystemPrompt + Config.openaiApiSystemPromptExtended : this.baseSystemPrompt;
     const response = await axios.post(
       `${apiRoot}/v1/chat/completions`,
       {
@@ -24,7 +25,7 @@ export default class OpenAITranslate extends TranslateEngine {
         messages: [
           {
             role: "system",
-            content: this.systemPrompt,
+            content: systemPrompt,
           },
           {
             role: "user",