cut up
—phrasal verbwithcutverbuk/kʌt/us/kʌt/present participlecutting|past tense and past participlecut
UStobehavein a veryactiveandsillyway inorderto makepeoplelaugh
搞恶作剧；胡闹；故意出洋相
There are acoupleofkidswho are alwayscuttingup inclass.有一两个孩子总是喜欢在课堂上恶作剧。