- 1. general knowledge; elementary knowledge
- ♦ 卫生~ elementary knowledge of hygiene and sanitation
- ♦ 科学~ general knowledge of science
- ♦ ~课 general knowledge course
- 2. common sense
- ♦ 天冷了要穿得暖一点儿, 这是~。 It's common sense to dress more warmly when it gets cold.