1. act as 起……的作用

The tough new law should act as a deterrent.
这项严厉的新法将起到威慑作用e[G*j9wF^CS。

2. cut out 适合……
I left medicine anyway. I wasn't really cut out for it.
我还是放弃学医了，我真的不是那块料t2&NF-rw1I|OO。

3. mill about 乱动
Cattle sometimes mill about when they are frightened.
牛群受惊就会乱跑|zK!*D[Qi27|L。

4. in no small part 很大程度上
Heart health depends in no small part on diet and exercise, but genes are also crucial.
心脏的健康很大程度上依赖于饮食和锻炼，但基因同样也非常重要E*xh]BRWyM~f。