impenetrable
🇺🇸
/ɪmˈpenɪtrəbl/
🇬🇧
/ɪmˈpenɪtrəbl/
adjective
R
Something that is so thick or dense that you cannot get through it or see what is on the other side.
The forest was so dense that it seemed impenetrable.
森林如此茂密，似乎无法穿越。
R
Something that is so complicated or difficult to understand that it is hard to make sense of it.
The instructions were so complicated that they seemed impenetrable to me.
指令太复杂了，对我来说似乎难以理解。
translation
难以穿透, 难以理解