unfathomable
/ˌʌnˈfæð(ə)məb(ə)l/ 形容词 C2中文： 高深莫测、莫测高深、深不可测、玄虚
- Especially of depth: physically incapable of being measured; immeasurable.
- Impossible to grasp the extent of, or to fully know or understand. · The sheer number of warriors the enemy attacked with was unfathomable.
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