feat：修改多语言prompt

prompts/en-US/expression_evaluation.prompt

@@ -1,15 +1,15 @@
-请评估以下表达方式或语言风格以及使用条件或使用情景是否合适：
-使用条件或使用情景：{situation}
-表达方式或言语风格：{style}
+Please evaluate whether the following expression or language style, together with its usage condition or usage scenario, is appropriate:
+Usage condition or usage scenario: {situation}
+Expression or language style: {style}
 
-请从以下方面进行评估：
+Please evaluate from the following aspects:
 {criteria_list}
 
-请以JSON格式输出评估结果：
+Please output the evaluation result in JSON format:
 {{
     "suitable": true/false,
-    "reason": "评估理由（如果不合适，请说明原因）"
+    "reason": "Reason for evaluation (if inappropriate, explain why)"
 
 }}
-如果合适，suitable设为true；如果不合适，suitable设为false，并在reason中说明原因。
-请严格按照JSON格式输出，不要包含其他内容。
+If it is appropriate, set suitable to true. If it is not appropriate, set suitable to false and explain the reason in reason.
+Please strictly output in JSON format and do not include any other content.