early 15c., from Medieval Latin infallibilis, from in- "not, opposite of" (see in- (1)) + Late Latin fallibilis (see fallible). In reference to Popes, attested from 1870. Related: Infallibly.
双语例句
1. She had an infallible eye for style.
在时尚方面她的眼光错不了。
来自柯林斯例句
2. Although he was experienced, he was not infallible.
尽管他经验丰富，却并非不会出错。
来自柯林斯例句
3. Doctors are not infallible.
医生并非永不犯错。
来自《权威词典》
4. No mathematician is infallible; he may make mistakes, but he must not hedge.
