我感觉不舒服。

I don't feel well.

I'm not feeling well.

I feel unwell.

Source: Tatoeba

Sentence Composition

1 我 wǒ
  1. I
  2. me
  3. my
2 感觉 gǎnjué
  1. feeling; impression; sensation
  2. to feel; to perceive
3 不舒服 bùshūfu
  1. unwell
  2. feeling ill
  3. to feel uncomfortable
  4. uneasy