1.any minute 随时；马上

例句:It looked as though it might rain at any minute.
看上去好像马上就要下雨了。

2.makeshift 权宜之计；凑合

例句:People are sprawled on makeshift beds in the cafeteria.
人们懒散地躺在食堂里搭起的临时床铺上。

3.in case 万一

例句:In case I forget, please remind me of my promise.
假如我忘记了，请提醒一下我的诺言。

4.on hand 在手边；当场

例句:Riot police are on hand but have not been confrontational.
防暴警察随时待命，但还没有出现冲突场面。