1、(表目的)为了。for doing sth. 例句: They went out for a walk. 他们出去散步了。 What are you waiting for? 你在等什么。 2、(表利益)为,为了。 例句: What can I do for you? 你想要我做什么? 3、(表用途)用于,用来。 例句:The pen is used for writing。笔是用来写字的。 4、为得到,为拿到,为取得 例句:He went home for his book. 他回家拿书...
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