"too gauche to leave the room when the conversation became intimate" "their excellent manners always made me feel gauche"
He was gauche in his attempt at conversation, asking inconsequential questions about my films.
His illustrator scarcely ever achieves anything that is not gauche and lifeless.
牛津高阶第八版
美国韦氏词典
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维基百科 (自由的百科全书)