Informal/Direct:
* నోరు మూసుకో (noru musuko): This is the most direct translation and can be considered rude depending on the situation.
* నోరు మూసుకుపో (noru musukuppo): Similar to the above, but slightly more forceful.
* నోరు మూసుకోవాలి (noru musukovaali): This is a more polite way of saying it, emphasizing the need to shut one's mouth.
Formal/Indirect:
* సైలెంట్గా ఉండండి (silent-ga undandi): This means "be quiet" and is more polite than the direct translations.
* కొంచెం నిశ్శబ్దంగా ఉండండి (konchem nishsabdanga undandi): This means "be a little quiet" and is a gentler request.
* కొద్దిగా మాట్లాడకండి (koddiga maatlada kandi): This means "don't talk much" and is a polite way to ask someone to be quiet.
It's important to choose the right phrase based on the context and your relationship with the person you're speaking to.