诡秘的英文：
secretive; surreptitious

参考例句：

Secretly lost trace of
诡秘失纵

Short quick look,esp a secret or sly one
一瞥(尤指秘密的或诡秘的);偷看;窥视

A motley crew they are,their doings as dark as they are ludicrous.
他们是一群行踪诡秘，为人荒唐可笑的乌合之众。

I could see furtive wolf shapes dodging in and out of the shadows, eyes shining.
我能看见狼形的诡秘身影在黑暗中时隐时现，眼睛闪着亮。

The crimes committed there invested the place with an air of mystery and gloom.
在那里发生罪案后，该地笼罩上一种阴森诡秘的气氛。

Now the eyes under their bushy gray brows had that sly look again
现在那一双在浓重的灰眉毛下面的眼睛又发出了那种诡秘的表情。

secretive是什么意思：
adj. 偷偷摸摸的；秘密的，深藏不露的；（促进）分泌的

A secret between more than two is no secret
两人以上知道的秘密就不算秘密

I confide a secret to a friend.
我向朋友吐露了秘密。

The secret store is headquartered abroad.
这家黑店的总部设在国外。

Scientists have unlocked the secret of the quantum.
科学家们已经揭开了量子的秘密。

This is no secret. It is currently known.
这不是什么秘密。人们一般都知道。

surreptitious是什么意思：
a. 秘密的,暗中的,偷偷摸摸的

To gain entrance gradually or surreptitiously.
渗透逐渐地或秘密地获得进入权

Such surreptitious bypassing of Standlely was distasteful
这种偷偷摸摸的绕过斯坦德莱的做法令人厌恶。

The surreptitious moBilization of troops in preparation for a sneak attack.
悄悄动员部队准备突然偷袭。

Microdots are another method of surreptitious communication between an agent in the field and his controller
缩微照片是派出去的特务同控制他的人之间进行秘密通信的又一种方法。

To enter(an organization,for example,usually surreptitiously,so as to gain influence or information;infiltrate.
打入，秘密潜入进入(例如，一个组织)以便获取事实或信息;秘密潜入