褪下

褪下	tùn xià	to take off (trousers) / to drop one's pants
褪	tuì	to take off (clothes); to shed (feathers) / (of color) to fade / (fig.) (of emotions, awareness etc) to fade / Taiwan pr. [tun4]
褪	tùn	to slip out of sth / to hide sth in one's sleeve
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