8点半之前不会开始。

It doesn't start before eight thirty.

It won't start before eight-thirty.

It doesn't start until eight thirty.

Source: Tatoeba

Sentence Composition

1 点 diǎn
  1. to touch briefly; to tap
  2. to mark with a dot; to check off (on a list)
  3. to order (food etc); to select
  4. to mention; to bring up (a topic or person)
  5. to hint at; to imply
  6. to administer (eye medicine etc) in drops
  7. to light (a fire, a lamp etc); to ignite
  8. to nod (one's head) in agreement; to beckon by moving (one's hand) up and down
  9. point; dot; spot; speck
  10. dot stroke in Chinese characters
  11. (math.) decimal point
  12. point in time or space
  13. (after a number) o'clock
  14. a small amount; a bit; (after a verb or adjective) a bit more
  15. classifier for small amounts
2 半 bàn
  1. half
  2. semi-
  3. incomplete
  4. (after a number) and a half
3 之前 zhīqián
  1. before
  2. prior to
  3. ago
  4. previously
  5. beforehand
4 不会 bùhuì
  1. improbable
  2. unlikely
  3. will not (act, happen etc)
  4. not able
  5. not having learned to do sth
  6. (coll.) (Tw) don't mention it
  7. not at all
5 开始 kāishǐ
  1. to begin
  2. beginning
  3. to start
  4. initial

classifier: 個