他喜欢数学，但我不喜欢。

He likes mathematics, but I don't.

He likes math, but I don't.

Source: Tatoeba

Sentence Composition

1 他 tā
  1. (third-person singular) (since the early 20th century, usu. male) he; him; his
  2. (bound form) other; another; some other (as in 他日 tārì and 他人 tārén)
2 喜欢 xǐhuan to like; to be fond of
3 数学 shùxué mathematics
4 但 dàn
  1. but; yet; however; still
  2. merely; only; just
5 我 wǒ
  1. I
  2. me
  3. my
6 不 bù
  1. no; not so
  2. (bound form) not; un-
7 喜欢 xǐhuan to like; to be fond of