我知道我知道它，但我想不起來了。

I know that I know it, but I can't remember it.

Source: Tatoeba

Sentence Composition

1 我 wǒ
  1. I
  2. me
  3. my
2 知道 zhīdào
  1. to know; to become aware of
  2. also pr. zhīdao
3 我 wǒ
  1. I
  2. me
  3. my
4 知道 zhīdào
  1. to know; to become aware of
  2. also pr. zhīdao
=5 它 tā it
=5 它 tā it (pronoun for an animal)
=5 它 tuō
  1. alternative form of 駝 /驼 (tuó)
  2. used in 它它藉藉／它它借借
=5 它 yí only used in 它它
6 但 dàn
  1. but; yet; however; still
  2. merely; only; just
7 我 wǒ
  1. I
  2. me
  3. my
8 想 xiǎng
  1. to think (about)
  2. to think of; to devise
  3. to think (that); to believe (that)
  4. to desire; to want (to)
  5. to miss (feel wistful about the absence of)
9 不起 bùqǐ
  1. (literary) to be unable to get up (e.g. to sickness)
  2. (used after verbs) cannot afford to ...
  3. (used after verbs) do not wish to ... (in contempt)
  4. cannot afford to ...
  5. do not wish to ... (in contempt)
  6. to be unable to get up (e.g. to sickness)
10 來 lái
  1. to come
  2. (used as a substitute for a more specific verb)
  3. hither (directional complement for motion toward the speaker, as in 回來 huílai)
  4. ever since (as in 自古以來 zìgǔyǐlái)
  5. for the past (amount of time)
  6. (prefix) the coming ...; the next ... (as in 來世 láishì)
  7. (between two verbs) in order to
  8. (after a round number) approximately
  9. (used after 得 dé to indicate possibility, as in 談得來 tándelái, or after 不 bù to indicate impossibility, as in 吃不來 chībulái)
=11 了 le
  1. (completed action marker)
  2. (modal particle indicating change of state, situation now)
  3. (modal particle intensifying preceding clause)
=11 了 liǎo
  1. to finish
  2. (used with 得 dé or 不 bù after a verb to express (im)possibility, as in 忘不了 wàngbuliǎo "cannot forget")
  3. (literary) (usually followed by a negative such as 無 wú or 不 bù) completely (not); entirely (not); (not) in the least
  4. to understand clearly (variant of 瞭 liǎo)
=11 了 liǎo
  1. (of eyes) bright
  2. clear-sighted
  3. to understand clearly
=11 了 liào unofficial variant of 瞭 liào