wàng​bu​liǎo HSK7

cannot forget

  1. to forget
    to fail to remember; to overlook or neglect
  2. 不 bu particle
    [potential]
    Used between a verb and its result to show that the action cannot achieve that result; used as the negative form of the 得 de potential construction
  3. 了 liǎo particle
    [possibility]
    Used in potential resultative constructions after a verb and 得 de or 不 bù to indicate whether an action is possible.