Indonesia's electoral system is impenetrably complex.
印尼的选举系统极其复杂。
2
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。
3
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.