profound
secret
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→ao4mi4 • àomì
enigma
enigmas, profound mysteries, mysteries, mystery
大自然 的 许多 奥秘
the many enigmas of nature
宇宙间 充满 了 奥秘。
The universe is full of enigmas.
这 个 事件 成 了 一 个 奥秘。
This event has become an enigma.