drop out

名词 drop out:

1. someone who quits school before graduation
   同义词：dropout
2. someone who withdraws from a social group or environment
   同义词：dropout

动词 drop out:

1. give up in the face of defeat of lacking hope; admit defeat
   同义词：give up, fall by the wayside, drop by the wayside, throw in, throw in the towel, quit, chuck up the sponge
2. leave school or an educational program prematurely

1. Some old women and men grow bitter with age; the more their teeth drop out, the more biting they get.
   有些老太婆与老头子，随着年岁而变得脾气暴戾——牙齿掉得越多，越发咬得入骨。
2. In any year some of the students on this crash course find the pace too hot for them and drop out before Christmas.
   每年都有一些修这门速成课的学生觉得课程负担太重而于圣诞节前辍学的。
3. He drop out because of the pressure.
   由于校规很严，所以他退学了。
4. 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.
   这位马拉松赛跑者在比赛的开始阶段跑在前面，但他过高地估计了自己的力量，结果在离终点仅３英里时，跑得筋疲力尽力而不得不退出比赛。