Informal:
* ਮੈਨੂੰ ਛੱਡ ਦੇ (mainu chhad de): This is the most common and informal way to say "leave me" in Punjabi. It literally means "leave me".
* ਮੈਨੂੰ ਜਾਣ ਦੇ (mainu jaan de): This means "let me go", which can also be interpreted as "leave me".
Formal:
* ਮੈਨੂੰ ਛੱਡ ਦਿਓ (mainu chhad dyo): This is a more polite way to say "leave me". It uses the formal "dyo" instead of "de".
* ਮੈਨੂੰ ਜਾਣ ਦਿਓ (mainu jaan dyo): This is the formal version of "let me go", and also conveys "leave me".
Other expressions:
* ਮੈਨੂੰ ਇਕੱਲਾ ਛੱਡ ਦੇ (mainu ikalla chhad de): This means "leave me alone".
* ਮੈਨੂੰ ਆਪਣਾ ਹਾਲ ਛੱਡ ਦੇ (mainu apna haal chhad de): This means "leave me to my own devices".
The best way to choose the right phrase depends on the situation and your relationship with the person you are speaking to.