左耳入，右耳出 zuǒ ěr rù ， yòu ěr chū

DEFINITIONS

  1. in one ear and out the other

CHARACTERS

左 zuǒ
HSK 2
left; east; unorthodox, improper
耳 ěr
HSK 3
ear; merely, only; handle
入 rù
HSK 4
enter, come in(to), join
右 yòu
HSK 2
right; west; right-wing
耳 ěr
HSK 3
ear; merely, only; handle
出 chū
HSK 1
go out, send out; stand; produce