adj.（刑事案件等）未解决的；（人的性格）难理解的

The ocean's depths remain largely unfathomed by modern technology.
翻译：现代科技尚未彻底探测到海洋的深处。
The mysteries of the human mind are still largely unfathomed.
翻译：人类思维的奥秘至今仍大多未被揭开。
Their relationship was so complex that it seemed unfathomed.
翻译：他们的关系错综复杂，似乎难以理解。
The origins of life on Earth remain an unfathomed scientific question.
翻译：地球生命起源仍然是一个未解的科学问题。
The intricacies of quantum mechanics are unfathomed even by experts in the field.
翻译：量子力学的复杂性连该领域的专家都未能完全理解。
Her emotions were unfathomed, leaving her friends unsure how to comfort her.
翻译：她的情绪深不可测，让她的朋友们不知如何安慰她。
The uncharted territory of outer space is a constant source of fascination and unfathomed possibilities.
翻译：未知的外太空领域始终是人们着迷和充满无限可能的源泉。
The secrets of the ancient civilization continue to elude archaeologists, remaining largely unfathomed.
翻译：古代文明的秘密继续困扰考古学家，大部分仍然未被揭示。
The complexity of climate change dynamics remains largely unfathomed, posing significant challenges for scientists.
翻译：气候变化动态的复杂性在很大程度上仍未被了解，给科学家们带来了重大挑战。
The true extent of his inner turmoil was unfathomed, even by those closest to him.
翻译：他内心的动荡程度即使是他的亲朋好友也难以揣摩。