这很可能是他幼年时一场疾病遗留留下的。

Probably the deafness was caused by an illness he had had as a child.

youdao

这就像录音：有了新的，留留旧的还有什么用。

It's like a tape recorder: you get a new one and throw away the old one.

youdao

给烦恼留留级，鼓起穿开裆裤的勇气，露出抢零食吃的厚脸皮，使出浑身吃奶的力气，愿幸福属于你，六一的快乐也属于你！

Leave troubles grade, summon up courage to wear open-backed pants, rob snacks cheek, harder work, wish happiness belongs to you, children's happiness is belong to you!

youdao

And I get down to a certain card and I am stumped, so I will leave a space waiting for that card to appear on cue.

我遇到某张牌,会被困住，我会留些地方给,恰好要出现的牌。

麻省理工公开课 - 固态化学导论课程节选

Because, for the purposes of this class, I'm going to reserve the word "Soul" for the immaterialist conception of the mind.

为了讲课的需要,我会将"灵魂"这个词,留到讲心灵的非物质性概念时再用

耶鲁公开课 - 死亡课程节选

Yeah, so let's have the guy in the beard, but let the mike get to him. Yell out your name.

请那位留胡子的同学说一下,把麦克风给他,大声说出你的名字

耶鲁公开课 - 博弈论课程节选