Japanese phrase
___はしないでください。 ___ wa shi na i de ku da sa i
Meaning
Please do not ___.
When to use it
Makes a polite but clear request to avoid a specific action. It is common in rules, notices, and everyday requests, and sounds firmer than a soft suggestion.
Example dialogue
ここで喫煙はしないでください。 ko ko de kitsu en wa shi na i de ku da sa i
Please do not smoke here.
わかりました。やめます。 wa ka ri ma shi ta ya me ma su
Got it. I will stop.