Crack a smile
They were a tough class to teach, I told my best jokes and no one even cracked a smile.
Crack a smile还可以用来表示在感觉不想微笑的时候挤出一丝笑容：
She told me a joke at the party and it just wasn't funny, I tried to crack a smile but just couldn't.
Force a smile
Even though I didn't want to be there, I managed to force a smile for the cameras.
Smile from ear to ear指的是很快乐很满足的大笑，有眉开眼笑的意思：
After hearing the results of his exam he walked around campus with a smile from ear to ear.
Wipe the smile off/from someone's face
I know the other team cheated, they were off side all day, I would love to wipe the smile from their faces but will have to wait until the next time we play them.