She of all people should know the answer to that.
在所有的`人中,唯有她最应知道那个问题的答案。
Any high school student could tell you the answer.
随便一个高中生都可以告诉你答案。
Put your hand up if you know the answer.
知道答案就举手。
Time's up ─ have you worked out the answer yet?
时间到了,你得出答案了没有?
I can't easily give an answer to your question.
你的问题我难以回答。