He mentioned en passant that he was going away.

他顺便提到他要离开。

《牛津词典》

Has he mentioned anything to you?

他有没有向你提过什么？

youdao

In his first diary, he mentioned, "news is going around about a bad cold virus in Wuhan, but I feel world's away from me and few people wear masks in public."

在他的第一篇日记中，他提到：“关于武汉一种严重的感冒病毒的新闻到处传播，但我觉得世界离我很远，也很少有人在公共场合戴口罩。”

youdao

The South's Minister Hyun says he finds it particularly disturbing that North Korea has not mentioned the loss of six South Korean lives.

VOA: standard.2009.09.09

He mentioned the Nicomachean Ethics which I have never read I don't know what that is.

他提到了《尼各马克伦理学》,一本我从没读过的书，我不知道那本书是讲什么的。

耶鲁公开课 - 金融市场课程节选

You see he mentioned smelting.

你看他提到了熔炼。

麻省理工公开课 - 固态化学导论课程节选

He mentioned that someone else had also reported a robbery hours earlier in the same neighborhood.

FORBES: What Does It Feel Like To Have A Loaded Gun Pointed At You In Anger?

When I was talking to Steve, he mentioned that Aurora is very much a purple city.

WHITEHOUSE: President Obama Speaks on Reducing Gun Violence

He mentioned Simpson-Bowles fleetingly in his State of the Union speech a month later.

WSJ: Fred Barnes: Obama and the Back-to-the-Future Campaign