學校在上午八點三十分開始上課。

School begins at 8:30 a.m.

Source: Tatoeba

Sentence Composition

1 學校 xuéxiào school

classifier: 所
2 在 zài
  1. to exist; to be alive
  2. (of sb or sth) to be (located) at
  3. (used before a verb to indicate an action in progress)
3 上午 shàngwǔ morning

classifier: 個
4 八點 bādiǎn eight o'clock
5 三十 sānshí
  1. thirty
  2. 30
6 分開 fēnkāi
  1. to separate
  2. to part
7 始 shǐ
  1. to begin
  2. to start
  3. then
  4. only then
8 上課 shàngkè
  1. to go to class
  2. to attend class
  3. to go to teach a class