机会已经失去。他苦苦思索别的方法。

The opportunity had gone. His mind scrabbled for alternatives.

《柯林斯英汉双解大词典》

容许你为自己已经失去的事物而哭泣。

Allow yourself to weep for things you have lost.

youdao

她对它已经失去兴趣了。

She lost interest in it.

youdao

So, they've lost one of the essential characteristics of these cells that are the same that I talked about earlier.

所以红细胞已经失去了,先前我讲过的,细胞共同属性之一

耶鲁公开课 - 生物医学工程探索课程节选

But to some degree Times Square has lost its original character

但从某种程度上讲，时代广场已经失去了它的本来面貌。

过去的时代广场 - SpeakingMax英语口语达人

The purpose of new form is not to express new content, but to change an old form which has lost its aesthetic quality lost its power to take the film away from our eyes].

新形式的目的不是要表达新的内容，而是要更换已经失去美学价值的旧形式,不能调整我们看世界的旧眼光了。

耶鲁公开课 - 文学理论导论课程节选