no se puede deshacer

cannot be undone

→ no
phrase Rare #46,623
cannot be undone Usually refers to an action or situation that cannot be reversed. In “deshacerse de,” the meaning changes to “get rid of,” as in “No se puede deshacer de su tos.”
SP: Una vez que lo dices, no se puede deshacer.
EN: Once you say it, it cannot be undone.

Lo que está hecho no se puede deshacer.

What's done cannot be undone.

Lo que hiciste no se puede deshacer.

What you did can't be undone.

No se puede deshacer lo que ya se ha hecho.

You can't undo what's already been done.

Tom no se puede deshacer de su tos.

Tom can't get rid of his cough.