drop out of的用法和樣例：
例句
- Some delegates walked out in a show of protest.
有幾位代表退出會場以示抗議。 - Mr.Black bowed out of politics due to poor health.
布萊克先生由於健康不佳而退出政治生涯。 - The waves flapped back out, towards the ocean.
波浪翻滾著向大海退去。 - A large chunk of ice fell toward them, forcing both to retreat.
一大塊冰向他們砸來，迫使他們都向後退去。 - She dropped out of school to become a waitress.
她退學去當女侍應生。 - Several students have been flunked out.
有幾名學生因考試不及格而被迫退學。
