Indonesia's electoral system is impenetrably complex.

印尼的选举系统极其复杂。

To pretend there was an impenetrably thick glass wall between us in the one class where we were forced together.

当我们被迫坐在一起上课的时候，假装我们之间有一堵无法穿透的，厚厚的玻璃墙。

Smiles decked the face of Mrs. Bennet as the carriage drove up to the door; her husband looked impenetrably grave; her daughters, alarmed, anxious, uneasy.

当马车停在门前的时候，班纳特太太满面堆着笑容，她丈夫却板着脸。女儿们又是惊奇又是焦急，而且十分不安。