Don't let on about the surprise party to Sarah
She tried not to let on about her true feelings
He didn't let on about his involvement in the project
Are you going to let on about where you found that?
They decided not to let on about their engagement until after the holidays
It's hard to let on about something so personal
He quickly let on about his new job to his friends
Please don't let on about the secret ingredient
She seemed upset, but she wouldn't let on about why
Don't let on about the test results until the doctor calls
Did you let on about the surprise party?
No, I kept it a total secret from everyone.
Good. I did not want anyone to know.
She didn't let on about her surprise party
She kept her surprise party a secret
She never mentioned her surprise party