释义
- 1. (coll.) all day long
- 2. all the time
词语关系
Usage notes
Common mistakes
Learners often misuse 成天 to mean 'every day' (天天) or 'always' (总是). It specifically conveys the duration 'all day long'.
Formality
成天 is colloquial; avoid in formal writing or speech. Use 整天 for neutral tone.
例句
显示 1 条他 成天 玩游戏。
He plays games all day long.
AI 生成的例句会用此图标标注。