坐下

坐下	zuò xia	to sit down
坐	Zuò	surname Zuo
坐	zuò	to sit / to take a seat / to take (a bus, airplane etc) / to bear fruit / variant of 座
下	xià	down / downwards / below / lower / later / next (week etc) / second (of two parts) / to decline / to go down / to arrive at (a decision, conclusion etc) / measure word to show the frequency of an action