adj.無禮的；魯莽的；卑鄙的

That impudent boy put his tongue out at me. 那個無禮的男孩沖著我吐舌頭。

The teacher threatened to kick the impudent pupil out of the room. 老師威脅著要把這無禮的小學(xué)生攆出教室。

We mustn't give way to these impudent demands. 我們對這些蠻橫的要求不能讓步。

He is the most impudent fellow in nature. 他是世界上最厚顏無恥的家伙。