不解

不解	bù jiě	to not understand / to be puzzled by / indissoluble
不	bù	no; not so / (bound form) not; un-
解	Xiè	surname Xie
解	jiě	to divide / to break up / to split / to separate / to dissolve / to solve / to melt / to remove / to untie / to loosen / to open / to emancipate / to explain / to understand / to know / a solution / a dissection
解	jiè	to transport under guard
解	xiè	acrobatic display (esp. on horseback) (old) / variant of 懈 and 邂 (old)