臆面もない

(1)not embarrassed; "a tinseled charm and unabashed sentimentality"- Jerome Stone; "an unembarrassed greeting as if nothing untoward had happened"

(2)当惑しない

(3)unrestrained by convention or propriety; "an audacious trick to pull"; "a barefaced hypocrite"; "the most bodacious display of tourism this side of Anaheim"- Los Angeles Times; "bald-faced lies"; "brazen arrogance"; "the modern world with its quick material successes and insolent belief in the boundless possibilities of progress"- Bertrand Russell

(4)因習または礼儀により抑制されない

(5)used of persons or their behavior; feeling no shame

(6)人々やその振る舞いに使用される

(7)恥を感じないこと