early 15c., "too large to be conceived, unimaginable," from un- (1) "not" + think (v.) + -able. Meaning "incapable of being framed by thought" is recorded from mid-15c.
雙語(yǔ)例句
1. Edward VIII had done the unthinkable and abdicated the throne.
愛(ài)德華八世竟主動(dòng)遜位，真是匪夷所思。
來(lái)自柯林斯例句
2. Any thought of splitting up the company was unthinkable they said.
他們說(shuō)，任何將公司拆分開(kāi)的想法都是不能接受的。
來(lái)自柯林斯例句
3. Her strong Catholic beliefs made abortion unthinkable.