An implicature of 'Some of my friends came' is 'Some of my friends did not come'.

“我的一些朋友来了”这句话的言外之意是“我的一些朋友没有来”。

《牛津词典》

You've managed to get jobs for some of my friends.

你帮我的一些朋友找到了工作。

youdao

But you've managed to get jobs for some of my friends.

但你帮我的一些朋友找到了工作。

youdao

Some of my friends got rich by riding someone else's coat tails.

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But there're some of my friends like to get involved with political clubs

但是，我有些朋友却喜欢参加政治俱乐部，

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I was with some friends of my mother long ago, and I remember looking at that and just thinking.

我是和我母亲以前的朋友们一起,我记得自己看着它沉思

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If I once guessed at whether some of my friends or family were decent writers, reading their blogs removed all doubt.

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And I - just going from some of my friends from China, what they had to say, is that that's not what you kind of get.

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And in relative check for me, if you ask some of my friends or some members of my family, might not be considered in check to them!

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