You cannot tell a lie.

你不能说谎。

youdao

If you have a sorrow that you cannot tell to anyone, you can go to Our Father in Heaven.

你如果有伤心事不能告诉别人，可以跟我们在天堂的上帝说。

youdao

Mott: You cannot tell the difference of an old tire from a freshly made tire.

莫特：你说不出旧轮胎和新轮胎的区别。

youdao

"If they can get the work done and walk into your casting office and you cannot tell by looking at them that they've had anything done,that's O.K."

VOA: standard.2010.07.22

You see you cannot tell the height or the depth rather of a pool based on the average.

只知道平均值,并不知道游泳池的水深。

哈佛公开课 - 幸福课课程节选

So you cannot tell from the average everything that happened because another way to get the same 0 is to just not move at all.

所以说平均速度并不能提供所有的信息,因为完全静止所得出的结果也是0

耶鲁公开课 - 基础物理课程节选

You cannot tell me that that is an efficient way to generate better health.

FORBES: How To Solve The Health Care Crisis

You cannot tell how many people in Homs are fully on the protesters' side.

ECONOMIST: In Syria��s third-biggest city people fear for the future

The main reason you cannot tell comes from the type of HDTVs that are on the market these days.

ENGADGET: Ask HDBeat: How can I tell the difference between 1080i and 1080p