Do not jeer at the mistakes or misfortunes of others.

不要嘲笑别人的错误或不幸。

They all jeer at the foolish speaker.

他们都嘲笑那个愚蠢的演说者。

Please don't jeer at my efforts.

请不要嘲笑我的努力。

Do not jeer at the misfortunes of others.

不要嘲笑别人的不幸。

To shout against; jeer at.

对…大嚷；嘲笑。