I love seeing the back of a beautiful sunset.

I have finally seen the back of that difficult project.

He keeps shooting his mouth off about things he knows nothing about.

He always shoots his mouth off without thinking.

He shot his mouth off and now he's in trouble.

Please reply to this letter by return of post.

A flock of terms of venery gathered in the field.

He was off his nuts and couldn't stop laughing.

She fights off her fears and pursues her dreams.

She is fighting off a cold.