他们喜欢背后议论他。

They enjoyed talking about him behind his back.

不在别人背后议论

Where I don't talk about people behind their backs.

他好背后议论人.

He likes discussing other people behind their backs.

我想在背后议论别人，不过他已变了许多。

I do not want to talk behind somebody's back, but he's changed a lot.

不说闲话（不传谣言，不在背后议论别人），不抱怨

Don't gossip (pass along rumour, or talk about people behind their back) or complain

你不会希望任何人在背后议论你，所以己所不欲，勿施于人。

Avoid gossip. You don't want anyone talking about you behind your back, so return the favor.

你不会希望任何人在背后议论你，所以己所不欲，勿施于人。

Avoid gossip.You don't want anyone talking about you behind your back, so return the favor.

他辛勤工作，手脚麻利，从不抱怨或背后议论，得到了高家的器重。

He worked hard and always did his duties quickly, without any complaining or back talk. The Gaos thought a lot of him.