前心貼後心

Simplified: 前心贴后心

qiánxīntiēhòuxīn ㄑㄧㄢˊ ㄒㄧㄣ ㄊㄧㄝ ㄏㄡˋ ㄒㄧㄣ

    • ravenously hungry
    • on very close and frank terms

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
front of the chest stuck to the back
Meaning
Either so hungry that your stomach feels pressed against your back, or so close that you can speak your heart freely.

Sources