短语中文翻译
中文翻译：了解某人的底细
同义词：
["understand someone's business", "know someone's background"]
例句：
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1.She knows her son's weaknesses and can help him overcome them.
她知道她儿子的弱点，并能帮助他克服它们。
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2. He knows his colleagues' strengths and weaknesses well.
他对同事们的优点和缺点了解得很透彻。
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3. The teacher knew the students' backgrounds well, which helped them to succeed.
老师对学生们的背景了如指掌，这帮助他们取得了成功。