Correct

一只耳朵进,一只耳朵出

/ yī zhī ěrduo jìn, yī zhī ěrduo chū /
Strokes

Example

Definition

in (at) one ear and out (at) the other

1
Tīng
shénme
什么
huà
dōu
shì
zhī
ěrduo
耳朵
jìn
  
,
zhī
ěrduo
耳朵
chū
  

Everything is/goes in one ear and out the other.