One’s name is mud

A person`s reputation is bad.The man's name is mud now that he was caught stealing money from his company.

Naked eye

The human eye (with no binoculars etc.).It was difficult to see the star with the naked eye.

A nail in (someone’s) coffin

Something that will harm someone.Fighting with his boss was a nail in the man's coffin. He will not get a promotion now.

Nail down (someone or something)

To make certain or sure of something.I am trying to nail down the exact time that the meeting will begin.

Make (someone) sick

To disgust someone.The attitude of the woman next door makes me sick.

Make (someone) look ridiculous

To make someone look foolish.The complaint from my coworker made me look ridiculous.

Make (someone) look good

To cause someone to appear successful or competent.The new sales contract that I won made me look good.

Make (someone) eat crow

To cause someone to admit an error or retract a statement.I want the supervisor to eat crow and admit that she made a mistake.

Make (someone or something) available to (someone)

To supply someone with someone or something.The company made a car available to the salesman.

Make short work of (something)

To finish something quickly.I made short work of the first report and started to work on the other report.