He is a drag on the team.

I'm so busy with work, I could use all the help I can get.

He was so relaxed that his hands were behind his back.

He worked as a rear gunner in a fighter plane.

This problem is difficult, and I give up.

This handover is our new project.

The lar gibbon, with its long arms, moves quickly from tree to tree.

He is able to both talk and do, and can handle any job.

He boarded the fighter plane as a tail gunner.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.