incapable of making mistakes or being wrong 不会犯错的,无误的 doctors are not infallible. 医生不是不会犯错的。 ■never failing; always effective 从不失败的;一贯有效的 infallible cures. 一贯有效的治疗。 ■(in the Roman Catholic Church) credited with papal infallibility (罗马天主教用语)教皇阐述教义无谬误的 for an encyclical to be infallible the Pope must speak ex cathedra. 要使通谕不谬,教皇必须发言有权威性。
派生 infallibly adverb 语源
late 15th cent.: from French infaillible or late Latin infallibilis, from in- 'not' + Latin fallere 'deceive'