九點鐘鎖門。

The door is locked at nine o'clock.

Source: Tatoeba

Sentence Composition

1 九點 jiǔdiǎn nine o'clock
2 鐘 zhōng
  1. (historical) metal ceremonial percussion instrument hung from a rack and struck with a mallet
  2. a surname
  3. alternative form of 鍾 /钟 (zhōng, “unit of capacity”)
  4. bell (Classifier: 架; 座)
  5. clock (Classifier: 架; 座)
  6. metal ceremonial percussion instrument hung from a rack and struck with a mallet
  7. time measured in hours and minutes

classifiers: 架, 座, 點, 分, 秒
3 鎖門 suǒmén to lock the door