1.Good manners add to your image 好的形象为你加分
2.I am at a loss for words. 我不知道该说什么了
3.The two spearkers are at loss what to do.(对话中)两人不知道怎么办好
4.She finished it at a stretch. 她一气呵成
5.How do you accont for the long delay? 你怎么解释这么长时间的延迟?
6.As far as i know whether there will be such a trip is yet to be decided.
据我所知,是否会有这样一场旅行仍待决定
7.While he has been doing this,he has been learning other things as well
他在做这件事的同时,还一直在学习其他的东西。
8.
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