查词历史：
- unfathomable
1.
ADJ-GRADED
（事物）高深莫测的，深奥的 If you describe something as unfathomable, you mean that it cannot be understood or explained, usually because it is very strange or complicated.
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For some unfathomable reason, there are no stairs where there should be...
不知什么原因，本该有楼梯的地方却没有。
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How odd life was, how unfathomable, how profoundly unjust.
生活多么离奇，多么莫测，多么不公啊！
2.
ADJ
（人或表情）难以捉摸的 If you use unfathomable to describe a person or the expression on their face, you mean that you cannot tell what they are thinking or what they intend to do.
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...a strange, unfathomable and unpredictable individual.
一个古怪、难以捉摸、反复无常的人
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...the dark eyes that right now seemed opaque and unfathomable.
此刻显得浑浊莫测的黑眼睛
- Adjective
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1. of depth; not capable of being sounded or measured
- antonym： fathomable
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2. so deep as to be unmeasurable;
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3. impossible to come to understand
