Japanese phrase
近づかないでください。 chika zu ka na i de ku da sa i
Meaning
Please don't come any closer.
When to use it
Politely asks someone to keep their distance. It is respectful but firm and is common when approaching would feel unsafe or unwelcome.
Example dialogue
すみません、近づかないでください。 su mi ma se n chika zu ka na i de ku da sa i
Excuse me, please don't come any closer.
あ、すみません。 a su mi ma se n
Oh, sorry.