unmannerly

To accept ( these sumptuous gifts ) embarrasses me , but to refuse them would be unmannerly.

却之不恭,受之有愧.

《现代汉英综合大词典》

When she is being irresponsible , she's coquetting not behaving unmannerly.

42.女友不讲理是撒娇而不是撒野.

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Better be unmannerly than troublesome.

情愿有失礼节,不可使人烦恼.

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