They sat very still, looking at the open door, and tried to hear.

"You must go to the door and try to hear!"

After that I tried not to hear what they were saying.

She half sat up in bed, trying to hear it again.

I was thinking hard, trying to hear her recent words in my memory.

I looked at him and tried to hear what he was saying.

He tried to hear what his mother said but couldn't.

The two waiting men tried to hear him, but he had gone.

Perhaps they should go back, and try to hear it again.

I tried to hear her heart, but there was no sound.