informal
informell 
informeel 
informel 
informale 
informal 
ไม่เป็นทางการ 
không chính thức 
非正式的 | (IELTS4000) informal | Definition: absence of ceremony; casual |
| (ESS4000) informal | Definition: When something is informal, it is not official. | Example: →They had an informal meeting to talk about their experiences. |
| B2 | informal | adjective |
không chính thức, không nghi thức 3000 
informal | HSK5000 A1+A2+B1 |
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| HSK5000 B2 + C1 |
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