他不是老師，而是醫生。

He is not a teacher but a doctor.

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 不是 bùshì
  1. no
  2. is not
  3. not
=2 不是 bùshi fault; blame
3 老師 lǎoshī teacher

classifiers: 個, 位
4 而是 érshì rather
5 醫生 yīshēng doctor

classifiers: 個, 位, 名