释义
- 1. (coll.) all day long
- 2. all the time
词语关系
用法说明
常见错误
Learners often misuse 成天 to mean 'every day' (天天) or 'always' (总是). It specifically conveys the duration 'all day long'.
正式程度
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。