口を慎みなさい。の英語

Watch your mouth.

Please rinse out your mouth.

Close your mouth.

Shut your mouth.

guard one's tongue

put a bridle on one's tongue

Mind your own business!

Open your mouth.

Stop whispering.

Open your mouth.

Open your mouth!

Watch your tongue.

Hey, watch your mouth.

shoot the bull

Open your mouth!

to kiss one's lips

to kiss each other

protrude one's lips

to make a lip―pout

to say something

to speak―talk―（仲裁するの意味なら）―mediate between two parties―（口添えをするの意味なら）―put in a good word for one

to pamper one's taste

to pucker up one's mouth―purse up one's lips

a curl of one's lip

to stop an opening

（物の口なら）to close an opening―（人の口なら）―stop one's mouth―gag one's mouth―（自分の口なら）―put one's hand over one's mouth

（自分の口なら）to shut one's mouth―put one's hand over one's mouth―（人の口なら）―stop one's mouth―gag one's mouth

Open your mouth, please.

He firmly shut his mouth.

with mouth agape