+10 = 13 

ㄔㄨㄞchuāi

  1. 使勁 」、衣服」。

  2. 疏通水道 馬桶」。

  3. 」。

to knead, to rub, to clear a drain with a pump, to conceal sth in one's bosom, to carry sth under one's coat
kneten (V)​