If you describe someone's behaviour or attitude as unashamed, you mean that they are open and honest about things that other people might find embarrassing or shocking.
例句
I grinned at him in unashamed delight.我高興地朝他笑了笑，一點也不覺得難為情。...a man rightly unashamed of his own talent.對自己的能力毫不避諱的人
英漢詞典釋義
n.
不害臊的；厚顏無恥的
He looked at her with unashamed curiosity.他帶著肆無忌憚的好奇瞧著她。
無愧的;坦然的
英英詞典釋義
Adjective
1. used of persons or their behavior; feeling no shame