act up
調皮,搗蛋;舉止粗魯,無禮;發炎,發作;失靈,壞了
act up
v 1: misbehave badly; act in a silly or improper way; "The
children acted up when they were not bored" [syn: carry
on]
2: make itself felt as a recurring pain; "My arthritis is
acting up again"