The remark was made half in jest.

这话是半开说的。

They made a jest of his ignorance.

他们话他无知。

I said you look terrible in jest, actually, you look very pretty.

我说你很糟糕是开, 其实你很漂亮。

Many a true word is spoken in jest.

话中常含有哲理。

Don’t jest with me, young man.

年轻人, 别跟我开。

Do not mind, he is jesting.

别介意，他是开。

He was so vain and reckless that he would break a friendship, rather than not break a jest.

他是如此虚荣狂妄, 宁可和人翻脸, 有话却不能不说。

Please don't jest with me.

请不要和我开。