drop out:
退出,退學(xué)
例句與用法:
1.The marathon runner raced ahead in the early stages of the race but he had overplayed his hand and had to drop out exhausted with only three miles to go.
這位馬拉松賽跑者在比賽的開始階段跑在前面,但他過高地估計了自己的力量,結(jié)果在離終點(diǎn)僅3英里時,跑得筋疲力盡力而不得不退出比賽.
2.He drop out because of the pressure.
由于校規(guī)很嚴(yán),所以他退學(xué)了.
drop off:
vt.減弱(減少,掉落)
例句與用法:
1.Business dropped off sharply during the recession.
在經(jīng)濟(jì)衰退期間,生意大大減少了.
2.I drop off and miss the end of the film.
我打了個盹兒,把影片的結(jié)尾給錯過了.
3.Sales dropped off in the fourth quarter.
銷售量在第四個季度減少了
4.Interest in the book began to drop off.
人們對這本書的興趣開始減退了.
drop behind:
vt.落伍(落后,落在...之后)
例句與用法:
1.Soon I dropped behind the rest of the class.
不久我就落在班上其他同志后面了.
2.John and Jack had dropped behind in order to be alone and have a talk.
為了能單獨(dú)在一起談?wù)?約翰和杰克故意走在別人后面.
she ____dropped behind ____ in her schoolwork.
她的成績退步了