one在英语口语中的奇妙用法

At one time we met frequently.

我们过去常见面。

6. Roll up into one 合为一体；兼于一身

She is a great person -- kind, thoughtful and intelligent -- all good qualities rolled up into one.

她是个很优秀的女人——善良，体贴，聪慧——集所有可贵品质于一身。

7. One good turn deserves another. 善须善报；要以德报德；好人应得好报。

If he does you a favor, you should do him a favor. One good turn deserves another.

如果他帮你的忙，那么你就应帮他的忙，以德报德嘛。

8. Be/go back to square one 退回起点, 从头再来

His papers were lost in the accident, so he had to go back to square one with the work.

他的论文在这次事故中弄丢了，只得从头再写。