This time they've managed to remain undetected.

这次他们终于没被发现。

These creatures are smart. They know how to go undetected.

这些禽兽真狡猾。他们知道怎么逃过侦查。

Some may have had undetected mild or asymptomatic reinfections.

有些人或许是未检测出的轻症或无症状再感染。

" It's just that a lot of them go undetected."

“只是大部分一直未被发现。”

A jaguar's patterns help it slink undetected across the sun-dappled rainforest floor.

美洲豹身上的斑纹让它可以在阳光斑驳的雨林地带潜行。

Infections in developing countries may be going undetected.

发展中国家的感染可能不会被发现。

She was accomplishing so much, and she continued to go undetected.

她做了这么多，却一直不被发现。

Authorities say the virus has been spreading undetected for a week.

当局表示，该病毒已经隐匿传播了一个星期。

I was surprised. How many of them could walk among us undetected?

我太吃惊了。有多少他们这样的人在我们中行走而不被察觉呢？

And you know the number one priority in the submarine is to remain undetected.

“你知道，潜水艇的首要任务就是保持隐蔽。”