狼心狗肺

lángxīn-gǒufèi

idiom #65,556

Meanings

他竟然出卖了最好的朋友，真是狼心狗肺。

Tā jìngrán chūmài le zuìhǎo de péngyǒu, zhēnshì lángxīngǒufèi.

He actually betrayed his best friend - truly heartless and treacherous.

你这个狼心狗肺的东西，忘恩负义！

Nǐ zhège lángxīngǒufèi de dōngxi, wàng'ēnfùyì!

You cold-hearted wretch, ungrateful to the core!

history

First recorded in Ming-era novelist Feng Menglong's 《醒世恒言》 (Stories to Awaken the World), describing a villain who repays kindness with betrayal.

memory

Two animals stereotyped as vicious (wolf) and base (dog) - picture the organs of both inside one person to remember the insult.

狼 láng

心 xīn

狗 gǒu

肺 fèi