英语学习·日积月累-078_日积月累

reduce
减少，降低    

例句：
efforts were made to raise efficiency and reduce rejects.
努力提高效率，减少废品。

hold one's peace
保持沉默

例句：
i didn't agree with my teacher, but held my peace as he was rather angry.
我不赞成的意见，但由于他在生气，我只好保持沉默。

how long did it last?
持续了多长时间？ 

对话：
a: how did you feel about your interview?
b: i'm not sure if i passed it.
a: how long did it last? 　
b: only five minutes.
　　　
a：你对这次面试感觉怎样？
b：我对能不能通过把握不大。
a：面试进行了多长时间？
b：只有5分钟。