资料来源 : pyDict

调皮,捣蛋;举止粗鲁,无礼;发炎,发作;失灵,坏了

资料来源 : 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"