名詞 effrontery:

1. audacious (even arrogant) behavior that you have no right to
   同義詞：presumption, presumptuousness, assumption

1. Behavior or language that is boldly arrogant or offensive; effrontery.
   冒昧，放肆放肆地傲慢或令人不愉快的行為或語(yǔ)言; 厚顏無(wú)恥
2. Bold self-assurance; effrontery.
   厚顏無(wú)恥魯莽的自我肯定; 厚顏無(wú)恥

ef.front.er.y

n.（名詞）
【復(fù)數(shù)】 ef.front.er.ies
Brazen boldness; presumptuousness.See Synonyms at temerity
厚顏無(wú)恥：厚顏無(wú)恥的冒失；狂妄的樣子參見(jiàn) temerity

來(lái)源：
French effronterie
法語(yǔ) effronterie
from effronté [shameless]
源自 effronté [毫不知恥]
from Old French esfronte
源自 古法語(yǔ) esfronte
possibly from Late Latin effrôns effront-
可能源自 后期拉丁語(yǔ) effrôns effront-
ex- [ex-]
ex- [前綴，表.出.]
frôns front- [front, forehead]
frôns front- [前面，前額]