And they may be ready to show their teeth again in two years' time.
Americans just love to show their teeth all the time!
The little boy looked up and showed his four teeth.
Do not show your teeth for exactly the same reason, even in a smile.
She showed her teeth in what could have been a smile.
He showed strong, white teeth in what could have been called a smile.
He showed even teeth and looked much younger than George's father.
He was smiling, but not quite ready to show his teeth yet.
That was what they said, showing him enough teeth for six women.
And then she showed her even white teeth in a laugh.
Idiome