記不得
jì​bu​de

cannot remember

  1. 记 記 jì verb
    to remember
    to bear in mind; to keep in one's memory; to memorize
  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. 得 de particle
    [potential]
    Used between a verb and its result to show that the result is possible, as in 看得见 kàn​de​jiàn meaning "able to see"