informal

英 /ɪnˈfɔːməl/ 　美 /ɪnˈfɔːrməl/

adj. 非正式的；随意的Relaxed and friendly rather than following strict social rules.
adj. 口语化的；非正式语体的Suitable for casual communication rather than formal writing or speech.
adj. 非官方的；非正规的Not officially arranged, recognized, or controlled.

We had an informal chat over tea this morning.

今天上午，我们边喝茶边随意聊了聊。

Informal learning outside the classroom allows children to develop practical skills through play and everyday experiences.

课堂外的非正规学习让儿童通过玩耍和日常经历培养实用技能。

搭配

informal chat 闲聊informal language 非正式语言informal learning 非正规学习

表示不拘礼节，不等于不礼貌或不专业。

informally (adv.)、informality (n.)、formal (adj.)

近义 casual、relaxed

反义 formal