lost

a. 失去的,遗失的,迷惑的
v. 遗失,损失,失败
vbl. 遗失,损失,失败

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。

It's surprising: they lost!

他们竟然失败了，真没想到！