- adj. 非正式的；不拘礼节的；通俗的；日常使用的
- informal (adj.)
- mid-15c., "lacking form; not in accordance with the rules of formal logic," from in- (1) "not, opposite of" + formal. Meaning "irregular, unofficial" is from c. 1600. Sense of "done without ceremony" is from 1828. Related: Informally.
- 1. Council members are due to have informal discussions later on today.
- 2. The two leaders will retire to Camp David for informal discussions.
- 3. Our aim was that these meetings be unstructured and informal.
- 4. I would like it to be an informal occasion.
- 5. His friend was less good-looking, but a lot more informal and relaxed.
[ informal 造句 ]