unfathomable
US /ʌnˈfæð.ə.mə.bəl/
UK /ʌnˈfæð.ə.mə.bəl/
1.
深不可測的, 難以理解的, 不可思議的
incapable of being fully explored or understood
:
•
The depths of the ocean are still largely unfathomable.
海洋的深度在很大程度上仍然是深不可測的。
•
His decision to leave was unfathomable to his family.
他離開的決定對他的家人來說是不可思議的。