effrontery
n
(a) [U] boldness or rudeness without shame; impertinence 厚颜无耻; 傲慢; 鲁莽; 无礼
He had the effrontery to say I was lying. 他竟敢说我撒谎.
(b) [C esp pl 尤作复数]
(fml 文) instance of this 厚颜无耻的行为; 傲慢鲁莽的举止
Everyone is tired of their blatant effronteries. 大家都厌恶他们粗俗.