你一定鋼琴彈得很好。

You certainly play the piano well.

Source: Tatoeba

Sentence Composition

=1 你 nǐ you (informal, as opposed to courteous 您 nín)
=1 你 nǐ you (Note: In Taiwan, 妳 is used to address females, but in mainland China, it is not commonly used. Instead, 你 is used to address both males and females.)
2 一定 yīdìng
  1. surely
  2. certainly
  3. necessarily
  4. fixed
  5. a certain (extent etc)
  6. given
  7. particular
  8. must
3 鋼琴 gāngqín piano

classifiers: 架, 臺
=4 彈 dàn
  1. crossball
  2. bullet
  3. shot
  4. shell
  5. ball
=4 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)
5 得很 dehěn (after an adjective) very
=6 好 hǎo
  1. good
  2. appropriate; proper
  3. all right!
  4. (before a verb) easy to
  5. (before a verb) good to
  6. (before an adjective for exclamatory effect) so
  7. (verb complement indicating completion)
  8. (of two people) close; on intimate terms
  9. (after a personal pronoun) hello
=6 好 hào to be fond of; to have a tendency to; to be prone to