màn đánh răng 
toothbrushing (act, routine) [ màn ] : curtain, screen, mosquito-net, [CL for scenes, acts]
[ đánh ] : to beat, strike, hit, type, brush, play (games)
[ răng ] : tooth
Most Common Compounds Set 1:
Most Common Compounds Set 2 :
màn đánh răng toothbrushing (act, routine)