我想，但我不能。

I want to, but I can't.

Source: Tatoeba

Sentence Composition

1 我 wǒ
  1. I
  2. me
  3. my
2 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)
3 但 dàn
  1. but; yet; however; still
  2. merely; only; just
4 我 wǒ
  1. I
  2. me
  3. my
5 不能 bùnéng
  1. cannot
  2. must not
  3. should not