话人(反骨), 英文点写?

「反骨」是指「忘恩負義，不念舊情」----ingratitude 或 thankless
Miss Leung is criticized as a very ingratitude person. (as a very thankless person)

Miss Leung has been criticized as a traitor.
criticized (v) = 被評論; 評價.

Ms. Leung is regarded as a traitor.