impenetrable

形容词

1. 1

   无法穿越的、穿不透的、密不透风的

   The explorers stopped at the edge of an impenetrable jungle.

   探险队在一片无法穿越的丛林边缘停下了脚步。

2. 2

   难以理解的、费解的、晦涩的

   His report was full of impenetrable legal jargon.

   他的报告满是难以理解的法律术语。

3. 3

   坚不可摧的、攻不破的

   They believed the city's defenses were impenetrable.

   他们相信这座城市的防御坚不可摧。

4. 4

   无法打破的、难以动摇的

   She kept an impenetrable silence throughout the meeting.

   整场会议她都保持著无法打破的沉默。