Put your hand up if you know the answer.

知道答案就举手。

《牛津词典》

Only ask if you know the answer.

仅仅问你是否知道答案。

youdao

You know the answer as well as I do.

对此你和我一样知道答案。

youdao

And you know the answer is yes because I wouldn't set myself up for failure like this, would I?

你知道答案是，是,因为我不会为了这个而承担失败的风险，为什么我不会呢？

麻省理工公开课 - 固态化学导论课程节选

Do you know the answer?

你知道答案吗？

Do you 实战 - SpeakingMax英语口语达人

So if you know the answer and know what the fix is don't answer this.

如果知道答案,知道问题的关键所在，先不要说出来。

哈佛公开课 - 计算机科学课程节选

If you know the answer to that question and ideally can get the customers to write checks in advance, then you have a start on step one.

FORBES: You don't need a better mousetrap, or three steps to start a successful business

Well, if you know me at all by now, you know the answer comes from another book, in this case One Small Step Can Change Your Life: The Kaizen Way.

FORBES: Come On Now, Hit 'Submit'

You know the answer.

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