incomprehensible

英 [,ɪnkɒmprɪ'hensɪb(ə)l] 美[ɪn,kɑmprɪ'hɛnsəbl]

• adj. 费解的；不可思议的；无限的

1. incapable of being explained or accounted for;

"inexplicable errors"

"left the house at three in the morning for inexplicable reasons"

2. difficult to understand;

"the most incomprehensible thing about the universe is that it is comprehensible"- A. Einstein