Sharpen up 认真思考英文翻译

大风车

It means to think carefully, use your intelligence

eg: If I make a mistake, I don't want him telling me to sharpen up. 大风车

Note:

Sharpen up的意思是认真思考，用用大脑

例：如果我犯了错误，我希望他别跟我说用用大脑。