informal
美 [ɪnˈfɔrm(ə)l]英 [ɪnˈfɔː(r)m(ə)l]
- adj.不拘礼节的;友好随便的;非正规的;日常的
- 网络非正式的;非正式用语;不正式的

informal
1.不拘礼节的;友好随便的;非正规的relaxed and friendly; not following strict rules of how to behave or do sth
3.非正式的;口语体的suitable for normal conversation and writing to friends rather than for serious speech and letters
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