The documentary caused a lot of bad feeling, not least among the workers whose lives it described.

那部纪录片引起了许多人的反感，尤其是在片中描写到其生活的工人。

《牛津词典》

youdao

youdao

In true Bollywood style, the path to true love is littered with obstacles,not least of which are the objections of the girl's father.

VOA: standard.2010.02.15

Now this passage is famous for a lot of reasons, not least of which is that it's wonderful.

这篇文章在今日如此出名有很多原因，不仅是因为它本身很精彩。

耶鲁公开课 - 弥尔顿课程节选

Here's one more example, last but not least.

下面是最后一个例子，也很重要。

I was 课堂 - SpeakingMax英语口语达人

But not least among his more amazing powers has been a superhuman charisma and ever-enduring appeal.

WSJ: The Superhuman Appeal of Superman | By Will Friedwald

Not least because new figures on Friday show that inflation is on the way up.

BBC: ECB rate cut criticism

But bigger worries predate the glitch, not least the ham-fisted handling of quarrels over existing domains.

ECONOMIST: Internet domain names