peter out
逐漸枯竭
peter out
v 1: end weakly; "The music just petered out--there was no proper
ending" [syn: taper off, fizzle out, fizzle]
2: use up all one's strength and energy and stop working; "At
the end of the march, I pooped out" [syn: poop out, run
down, run out, conk out]