Chinese

		conditions; influence; tendency	cannot	to act as; represent; equal to act as; represent; equal; should; fitting; suitable; adequate; proper; replace; to be; to hold a position; manage; withstand; when; during; ought; match equally; same; obstruct; just at (a time or place); on the spot; right; just at
trad. (勢不可當)		勢	不可	當
simp. (势不可当)		势	不可	当

Idiom

勢不可當

1. fierce and overwhelming; swift and unstoppable