/ɪnˈfæləbəl/ adj.1.(never wrong)永无过失的;不会犯错的
She had an infallible eye for style.在时尚方面她的眼光错不了。
Although he was experienced, he was not infallible.他尽管经验丰富, 但也有犯错的时候。
2.(certain to work)万无一失的;肯定有效的
Though modern gear is pretty reliable, it's not infallible.尽管现代设备相当可靠, 但并非万无一失。
an infallible cure绝对灵验的药物
3.(dependable, trustworthy)绝对可靠的
Do you have an infallible baby sitter lined up?你找好绝对可靠的保姆了吗?