knock it off的用法和樣例：
例句
- He blocked me off each time I tried to express my view.
每當我要陳述自己的意見時，他總是不讓我講下去。 - Little Jeannie began to tell the guests some family secrets,but father was able to put her off.
小珍妮開始給客人講一些家庭的秘密，但是父親打岔，沒能使他一門心思講下去。 - My father has cut off the supplies.
父親停止給我生活費了。 - I think you'd better lay off alcohol for a while.
我看你最好停止飲酒一段時間。
