My lips are sealed!

Do you know the English expression “my lips are sealed“? Read the conversation below. Can you guess the meaning?

Sandra: You won’t tell anyone that Dave and I are dating, will you?

Mandy: Don’t worry. My lips are sealed!

Does it mean:

a) close your mouth

b) glue your lips together

c) promise to keep a secret

d) tell people a secret

The answer is below!↓

selective focus photo of brown monkey

Photo by Arindam Raha on Pexels.com

 

Answer: c) promise to keep a secret