还是他倾向于一个撒小谎者，容易动怒，性格反复无常的，嫉妒你的，偷偷摸摸的人。

Or is he inclined to be a fibber, to fits of rage, to be a control freak, to be envious of you, to be secretive?

youdao

我和叶晴相视一笑，等到他们的人全都撤离去了那边，这才偷偷摸摸的跑过去。

I and the leaf Be fine to mutually see a to smile, await until their persons all withdraw go to there, this just secretively runs over there.

youdao

诚实的人不做偷偷摸摸的事情。

An honest man doesn't do anything underhand.

youdao

The French are "The sneaky French."

法国人是所谓,"偷偷摸摸的法国佬"

耶鲁公开课 - 欧洲文明课程节选