lead on

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

illudere, ingannare

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.
Non voleva illuderla, così le disse che non era interessato.
She felt like he was leading her on with his promises.
Sentiva che lui la stava illudendo con le sue promesse.