unfathomable
US /ʌnˈfæð.ə.mə.bəl/
UK /ʌnˈfæð.ə.mə.bəl/
1.
深不可测的, 难以理解的, 不可思议的
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测的。
•
His decision to leave was unfathomable to his family.
他离开的决定对他的家人来说是不可思议的。