off of的用法和样例：
例句
- We profit from the work of the specialist.
我们从专家的工作中得到益处。 - He pulled a would-be suicide out of a river.
他将一位自杀未遂者从河里拖上来。
词汇搭配
- break off the habit of 改掉 ... 的习惯...
- off the face of the earth 从地球上消失，彻底地...
- cut off one's nose be revenged of one's face 与人赌气以致为自己招...
- talk off the top of one's head 即席发表谈话...
- wipe off the face of the earth 把…消灭掉
- live off the fat of the land 养尊处优
- go off like the snuff of a candle 突然死掉
