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1·C. make an attempt to do STH.

为固定短语，意为“尝试做某事”。

2·It is hard to squeeze the variety of addresses into any set schema, but if you don't make an attempt to do so you lose all hope of making sense of real-life addresses.

很难把各种不同的地址归纳进一定的模式，但不尝试这样做又毫无希望表达现实生活中的地址。

3·When you make an attempt to change your habits, you feel more comfortable just saying you're going to do it than actually doing it.

当你努力改变你的习惯的时候，你会觉得仅是这么说比真正这么去做舒服的多。

4·She wants to make a good impression -and in an attempt to do so continually finds herself telling stories with no end.

她想给你留下一个好印象，却发现自己说起话来没完没了。

5·She wants to make a good impression - and in an attempt to do so continually finds herself telling stories with no end.

她想给你留下一个好印象，却发现自己说起话来没完没了。