奥秘的英文：
profound
deep
mystery

参考例句：

To be enveloped in mystery
深为奥秘

Any attempt to give a rational proof of the mysteries of religion really detracts from faith.
任何想合理论证宗教奥秘的做法，会使信念降低的。

Science can disclose the mysteries of nature.
科学能揭开自然界的奥秘。

We begin to plumb the mysteries of the universe.
我们开始探索宇宙的奥秘。

The mystery was never solved.
这个奥秘始终未获解答。

He was determined to go to the bottom of the mystery.
他决心将这奥秘探索到底。

Scientists groping blindly after the secrets of the atom
茫然探索原子奥秘的科学家们.

The teacher initiate the class into the wonders of science
教师向学生介绍科学的奥秘。

Henceforth I will recognize and identify the mystery of moods in all mankind, and in me.
我从此领悟人类情绪的变化的奥秘。

He was determined to go to the bottom of the mystery
他决心将这奥秘探索到底。

profound是什么意思：
adj. 深厚的；意义深远的；深刻的；渊博的；严重的

a profound thinker
知识渊博的思想家; 思考问题深刻的人

They have profound disagreement.
他们有着严重的分歧。

Of profound, thoughtful in, scholarship
好学深思

deep是什么意思：
adj. 深的；深沉的；极度的；深刻的；深奥的
adv. 深深地；迟
n. 深处；海

Sing the deep vocal register of the melody with a deep voice.
请用明亮的嗓音演唱第一段歌曲。

Of a grayish to deep reddish brown to deep grayish brown.
灰色到深红棕色到深灰褐色之间的

He made a deep breath.
他深深地吸了一口气。

mystery是什么意思：
n. 神秘的事物，难以理解的事物；谜；神秘；奥秘

This mystery puzzles me.
这件神秘事情使我百思不解。

She's a bit of a mystery!
她这人有点来历不明！

Don't be so mysterious.
别那么故弄玄虚。