"Don't touch" or "Don't lay a hand on it" are common ways to say "别动手" in Engpsh.

The phrase "Don't touch" is a simple and direct way to tell someone not to physically interact with something. It is often used as a command or warning to prevent damage or injury.

"Don't lay a hand on it" is a spghtly more formal and forceful way to say "Don't touch." It is often used to emphasize the importance or value of something that should not be handled or disturbed.

Here are some examples of these phrases in use:

"Don't touch the artwork. It's fragile and easily damaged."
"Don't lay a hand on my computer. I'm in the middle of an important project."
"Please don't touch the exhibits in the museum. They are very old and depcate."

In all of these examples, the speaker is trying to prevent someone from touching or handpng something in order to protect it or preserve it.