1. soon to be 即將成為

例句：The compatibility of boy and girl (soon to be husband and wife) was of little account to her; neither was the potential for mutual affection between them.

她很少會考慮男孩和女孩（很快將成為夫妻）是否相配，或他們是否可能互相喜歡。

2. throw at 投向，擲向

例句：But others filled bottles with petrol to throw at the police lines.

另外一些人則在瓶子里灌上汽油投向警察的警戒線。

3. serve as 擔任…，充當…；起…的作用

例句：The solutions below are descriptions of how these issues have been recurrently solved and may serve as a pattern to help you on your next project.

下面的解決方案描述了這些問題是如何循環地解決的，并且可以作為模式用于下一個項目，以助您一臂之力。

4. bump up against 碰到 遇到（困難）

He ran to the rear only to bump up against a burning German tank.

他跌跌撞撞跑過一輛燃燒中的德軍坦克，向后方竄去

5.be exposed to

例句：This liquid is not to be exposed to air, for it will soon evaporate.

這種夜體不可暴露在空氣中，因為它會很快蒸發掉。