enigma mystery puzzle insolvable] riddle unfathomable enigma [insoluble the wasps are here unfathomable enigma riddle
The mysterious phenomenon of energy transformation remains to be an unsolved enigma.
这种神奇的能量转换现象至今还是个不解之谜。
—— 给力词典精选For its bizarre variety and for its enduring mystery, we must learn to treasure the sea.
因为它的奇特多样性,也因为它的不解之谜, 我们必须学会珍视海洋。
—— 给力词典精选Some of the old questions, though, are still rattling around like skeletons in a cupboard.
但是, 一些老问题的解释依旧犹如不解之谜般莫衷一是。
—— 给力词典精选Consciousness is still an enigma.
知觉仍是一个不解之谜。
—— 给力词典精选But just where he belongs remains a mystery.
然而,他归于何门何派则仍然是个不解之谜。
—— 给力词典精选