Peered impudently into your face.

仔细的看你的脸。

She was his favorite and could speak to him so impudently.

她是他的宠儿，可以那样无礼他说话。

I can't, hey? 'said the little soldier who held the knife, grinning impudently at her.

“我不能拿？”那拿刀的小个儿士兵对她嘻笑脸地说道。

Since nothing is ever quite proved or disproved, the most unmistakable fact can be impudently denied.

既然既没有证明什么又没有否定什么，最浅显的事实也会被轻率地否认。

The soldier was pale, his blue eyes looked impudently into the general's face, but his mouth was smiling.

士兵的脸色苍白，一双蓝眼睛无耻地望着团长的面孔，嘴上露出一丝微笑。

Applied to an opponent, it means the habit of impudently claiming that black is white, in contradiction of the plain facts.

用在对方身上，这意味着不顾明显事实硬说黑就是白的无耻习惯。