碍口识羞 àikǒushíxiū tongue-tied for fear of embarrassment Origin Definitions Defs Strokes Stroke Words Sentences Sents 碍口 礙口 àikǒu embarrassing to say too embarrassing or inconvenient to mention; feeling too shy or hesitant to speak one's mind识羞 識羞 shíxiū to feel ashamed To know or feel a sense of shame; often used in the negative to mean shameless.