(simile) Totally useless.

To escape without injury.

On the outer surface / To outward appearances / (UK) Not in prison

Alternative form of pour oil on troubled waters

To prove one's worth or merit.

To trick or delude someone.

(dated) To dress in different clothes.

To do great injury to the enemy before being killed by them.

To cease rowing without shipping the oars. / (by extension) To rest; to take a break from working.

(colloquial, intransitive) To depart.