lead on

US /liːd ɑːn/
UK /liːd ɑːn/
"lead on" picture
1.

误导, 欺骗, 给人假希望

to encourage someone to believe or expect something that is false or will not happen

:
He didn't want to lead her on, so he told her he wasn't interested.
他不想误导她,所以告诉她自己不感兴趣。
She felt like he was leading her on with his promises.
她觉得他用承诺误导她