Don "t lose hope. You never know what tomorrow will bring."

别失去希望，谁又能知道明天会有怎样的惊喜。

youdao

Perseverance - when you fail, don 't lose heart.

毅力当你失败的时候，不要灰心。

youdao

Don 't lose heart even if you fail in the exam.

考试中即使失败了也不要失去信心。

youdao

Mom, where's your cell? Okay, don't laugh. I didn't lose my power cord. It ran away.

VOA: standard.other

Okay. I'm going to start even though it's still in flux here 'cause I don't want to lose my time.

好的，我又要开始讲了,尽管大家还没坐定,但是我不想浪费时间。

耶鲁公开课 - 1945年后的美国小说课程节选

When you're working on a file, it's saving constantly to RAM but also hopefully to disc, the hard disk so you don't actually lose it if the power goes off.

当你打开一个文件，它不断地保存在内存中,但对于光盘，硬盘,当你断开电源的时候，数据不会丢失。

哈佛公开课 - 计算机科学课程节选

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