褪下

to take off (trousers) / to drop one's pants

to take off (clothes) / to shed feathers / (of color) to fade / to discolor

to slip out of sth / to hide sth in one's sleeve

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