有些人总是走近完全不认识的人跟前，问人家是干什么的。

Some people are always coming up to perfect strangers and asking them what they do.

《柯林斯英汉双解大词典》

在街上给完全不认识的人一个微笑吧。

Give a smile to a total stranger on the street.

youdao

无论我走到哪里，甚至我不认识的人都开始对着我唱歌。

Everywhere I went, people I didn't even know started singing to me.

youdao

So if you haven't already, just glance at the person next to you, or say hello if you don't know them.

如果你还没有做好，那就看看你旁边的人,如果你不认识他们就跟他们打个招呼。

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And it's like, you wouldn't get these kind of opportunities if you didn't know the right people, you know.

这就是，要是你不认识对了人，你是得不到这些机会的，你知道。

认识更多人 - SpeakingMax英语口语达人

Why would anyone ever risk one's life for ? one's country or a cause just to help other people, people that we don't know and probably will never know?

为什么人人都要为自己的国家或者,去救人的缘由而冒险，并且这个人我们不认识,可能永远也不会认识？

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