有人正在彈鋼琴。

Somebody is playing the piano.

Source: Tatoeba

Sentence Composition

1 有人 yǒurén
  1. someone
  2. people
  3. anyone
  4. there is someone there
  5. occupied (as in restroom)
2 正在 zhèngzài to be in the process of (doing sth); to be currently ...-ing
=3 彈 dàn
  1. crossball
  2. bullet
  3. shot
  4. shell
  5. ball
=3 彈 tán
  1. to pluck (a string)
  2. to play (a string instrument)
  3. to spring or leap
  4. to shoot (e.g. with a catapult)
  5. (of cotton) to fluff or tease
  6. to flick
  7. to flip
  8. to accuse
  9. to impeach
  10. elastic (of materials)
4 鋼琴 gāngqín piano

classifiers: 架, 臺