1580s, "not influenced, untouched in mind or feeling," from un- (1) "not" + past participle of affect (v.). Meaning "not adopted or assumed, genuine" is recorded from 1590s; that of "not acted upon or altered (by something)" is first attested 1830. Related: Unaffectedly; unaffectedness.
实用例句
1. The strike shut down 50 airports, but most international flights were unaffected.
罢工迫使50个机场关闭，但大部分国际航班并未受到影响。
来自柯林斯例句
2. He thought the speech a model of its kind, limpid and unaffected.
他认为这一演讲堪称典范，简洁流畅，清新自然。
来自柯林斯例句
3. She seemed totally unaffected by what she'd drunk.
