definite maybe
noun [ C ] informal uk/ˌdef.ɪ.nət ˈmeɪ.bi/ us/ˌdef.ɪ.nət ˈmeɪ.bi/
不一定（表示有此意愿，但不确定）
something that you think you might do, but are not certain about
"Are you going to Helen's party?" "It's a definite maybe." “你去海伦的聚会吗？”“不一定。”