adj.深不可测的；无法理解的

Was water there, unfathomed depth of water? 抑为水载，其深莫测？

The two separated shores mingle their voices in a song of unfathomed tears. 遥相注目的两岸在难以测度的深海泪歌中彼此唱和。

It is an unfathomed and difficult problem that weak and small targets are detected in complicated background and low SNR. 摘要复杂背景下低信噪比弱小目标的自动检测是当今目标自动探测研究尚未解决的一个难题。

What covered in, and where? and what gave shelter?Was water there, unfathomed depth of water? 有什么被覆盖，在哪里 是什么给予掩蔽 有水 无法度量的深渊吗？

At last, we advance some unfathomed problem and prospect foreground of cast-in-place piles. 最后,本文提出了本次试验尚未解决的一些问题,并对支盘桩的前景进行了展望。