甩手

甩手	shuǎi shǒu	to swing one's arms / to wash one's hands of sth
甩	shuǎi	to throw / to fling / to swing / to leave behind / to throw off / to dump (sb)
手	shǒu	hand / (formal) to hold / person engaged in certain types of work / person skilled in certain types of work / personal(ly) / convenient / classifier for skill / CL:双,只