Meaning of bèi hòu:
bèi hòu
背后
Noun
behind; in the rear; behind sb's back
Tā zǒng shì zài bèihòu bāngzhù biérén.
他总是在背后帮助别人。
He always helps others from behind the scenes.
Yǒurén zài wǒ bèihòu shuōhuà.
有人在我背后说话。
Someone is talking behind my back.
Tā zǒng shì xǐ huān zài bié rén de bèi hòu shuō xián huà.
他总是喜欢在别人的背后说闲话。
He always likes to gossip behind others' backs.
Adverb
at the back
Tā zhàn zài wǒ de bèihòu, xiàle wǒ yī tiào.
他站在我的背后,吓了我一跳。
He stood at my back and startled me.