perfunctory
Word family adverbperfunctorilyadjectiveperfunctorynounperfunctoriness
per·func·to·ry /pəˈfʌŋktəri $ pər-/ adjectiveadj formal FAST/QUICKEXPECTa perfunctory action is done quickly, and is only done because people expect it 〔行动〕草率的,马虎的;敷衍的 She gave him a perfunctory smile. 她对他漫不经心地笑了笑。
The applause was perfunctory. 掌声听上去是在敷衍了事。
—perfunctorily adverbadv
Origin perfunctory (1500-1600) Late Latin perfunctorius, from Latin perfunctus, past participle of perfungi “to get something done”