1610s, originally in the figurative sense, of feelings, conditions, etc., from un- (1) "not" + fathomable. Literal sense attested from 1670s. Related: Unfathomably.
实用例句
1. How odd life was, how unfathomable, how profoundly unjust.
生活多么离奇，多么莫测，多么不公啊！
来自柯林斯例句
2. 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。
来自柯林斯例句
3. His feeling was confused and drifting, but deep unfathomable.
这思绪是散乱而飘浮的, 又是幽深而莫测的.
来自互联网
4. Under the unfathomable sea, life glows both audibly or mutely.
在湛深的海洋,有声无声地, 生命兀自绽放光彩.
来自互联网
5. Who does great things , unfathomable, And wondrous works without number.
