But actually, if you're really traveling on the cheap, usually for every five or six rooms there's a kitchen where you can knock up a snack, and that saves a lot of money.
其实，如果你真的在穷游，通常每5个或6个房间会配一个厨房，你就能简单凑活一顿，这样能省不少钱。
2
He knock the glass forsix.
他将玻璃杯打碎了。
3
The general assured his men that they would knock the enemy forsix.