adj.（语言） 非正式的；口语体的；不拘礼节的；友好随便的 双语释义：adj.(形容词)非正式的,不正规的,不拘礼节的 not formal; not following official or established rules, methods, etc.(服装、行为等)适于日常生活的,随便的 (of clothes, behaviour, etc.) suitable for ordinary everyday situations but not for official occasions英英