bottleneck 瓶颈
I'm in a bottleneck at work.
我工作遇到瓶颈了。

brainwash 洗脑
The children were brainwashed by their parents.
这个孩子被父母给洗脑了。

Blacklist 黑名单
If you didn't pay at a restaurant, you would be blacklisted at that restaurant.
如果你吃饭不给钱，你就会被这个餐厅列入黑名单。

Time flies 时光飞逝
Time flies when you are having fun!
快乐的时光总是过的很快！

kill two birds with one stone 一石二鸟

Strike while the iron is hot 趁热打铁
We have to strike while the iron is hot, no other company has this idea!
我们必须要趁其他公司还没有发现这个点子之前，趁热打铁。