lost是什么意思

lost作形容词时意为“失去的， 丧失的”；作动词时意为“遗失，失败”。lost的短语搭配有：be lost in迷失在…中、get lost迷路、lost time浪费时间、lost circulation井漏、be lost in thought陷入沉思、lose heart失去信心。

例句：

1、I've lost my book.我的书遗失了。

2、He is hunting for his lost book.他正在寻找一本丢失的书。

3、She looked out of the window, sighing for her lost youth.她看着窗外，为她失去的青春而惋惜。

4、The lost man yelled, hoping someone in the woods could hear him.迷路的人大声喊叫着，希望林子里有人能听见。