He was trying to smile, but the fear showed through.

She looked down at the old man and tried to smile.

He tried to smile, but it was a poor effort.

Her face was very white, but she tried to smile.

He tried to smile but had a feeling it wasn't coming off quite right.

He tried to smile at me, but I could feel him making up his mind.

He tried to smile but didn't seem to have had much practice at it.

He tried to smile but could not make it work.

Can you see her friends, these people trying to smile?

He tried to smile again, and this one wasn't any better than the first had been.