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.

VOA: special.2010.05.09

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

耶鲁公开课 - 1871年后的法国课程节选

Ah, here, I like to play some sports and also just take some time to talk to my friends and just relax,

我喜欢运动，也喜欢与朋友们交谈，让自己放松一下。

百慕大出身 - SpeakingMax英语口语达人

Mr. THOMPSON: (unintelligible) to see some of my old friends and make some new friends and tell them what was on my mind and listen to see what was on their minds, and we had a good talk.

NPR: Thompson, Potential GOP Force, in New Meetings

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!

NEWYORKER: We Are Alive

To his credit, Adrian saw an opening to press me a bit on my own perspective and I told him that some of my friends had entered lotteries at their local parishes to try and get a coveted ticket to the Mass.

CNN: Behind the Scenes: Thrilling day covering the pope