資料來源 : pyDict

調皮,搗蛋;舉止粗魯,無禮;發炎,發作;失靈,壞了

資料來源 : WordNet®

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"