perfunctory
/pəˈfʌŋktərɪ/adjective
- (of an action or gesture) carried out with a minimum of effort or reflection（动作, 手势）敷衍的, 马虎的, 草率的, 随随便便的：
he gave a perfunctory nod.
他敷衍地点了点头。
派生词
perfunctorily
adverbperfunctoriness
noun词源
late 16th cent.: from late Latin perfunctorius 'careless', from Latin perfunct- 'done with, discharged', from the verb perfungi.