取り返しがつかない

とりかえしがつかない

cannot be undone; can't be recovered from

Also written 取返しがつかない

Meaning

exp
cannot be undone; can't be recovered from

Example sentences

口に出した言葉は取り返しがつかない。

When the word is out, it belongs to another.
口にした言葉は取り返しがつかない。

When the word is out, it belongs to another.
やってしまったことは取り返しがつかない。

What is done cannot be undone.