查清

查清	chá qīng	to find out / to ascertain / to get to the bottom of / to clarify
查	Zhā	surname Zha
查	chá	to research / to check / to investigate / to examine / to refer to / to look up (e.g. a word in a dictionary)
查	zhā	variant of 楂
清	Qīng	Qing (Wade-Giles: Ch'ing) dynasty of China (1644–1911) / surname Qing
清	qīng	(of water etc) clear; clean / quiet; still / pure; uncorrupted / clear; distinct / to clear; to settle (accounts)