Level 4 · word 3,806 of 20,000
informal
/ˌɪnˈfɔːrməl/
American
- adj. 非正式的, 不拘礼的
- Definition
- adj. relaxed and friendly, not following strict rules or formality
- Example
- The meeting was informal, so everyone wore casual clothes.
- 这次会议是非正式的，所以大家都穿着便装。