忘不了

wàngbuliǎo
cannot forget

CEDICT

Entry Composition

1 忘 wàng
  1. to forget
  2. to overlook
  3. to neglect
2 不了 bùliǎo
  1. (as a resultative verb suffix) unable to (do sth)
  2. (pattern: {verb} + 个 ge + ~) without end; incessantly