grin and bear it

[grin and bear it] {v. phr.}, {informal} To be as cheerful aspossible in pain or trouble; do something without complaining.

Thedoctor told Mrs. Howard that she had to stop eating sweets if shewanted to lose weight, and she tried to grin and bear it.

If youmust have a tooth drilled, all you can do is grin and bear it.

Compare: MAKE THE BEST OF, PUT UP WITH.