lead on

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

iludir, enganar, dar falsas esperanças

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.
Ele não queria iludi-la, então disse a ela que não estava interessado.
She felt like he was leading her on with his promises.
Ela sentiu que ele a estava iludindo com suas promessas.