(idiomatic) To demonstrate oneself to be capable; to provide a respectable performance or worthy competition; to stick up for oneself.

(idiomatic) To be patient; to wait.

(idiomatic) To refrain from talking about something.

Do not discharge a weapon. Used originally for weapons needing a spark or lighting of a fuse to ignite gunpowder; now sometimes used to mean any weapon launching a projectile.

To refrain from criticism.

Used other than figuratively or idiomatically: see hold, one's, breath. To keep air in one's lungs, pausing noticeably before exhaling after previously inhaling.

(idiomatic, obsolete, informal) An estate held by a man during his wife's life.

(idiomatic) To be left with the responsibility of resolving a problem.

(literally) To grasp or hold a person's hand. / (idiomatic) To guide somebody through the basics or assist with excessively small details.

(idiomatic, Britain) A place that has too much police activity to harbor a fugitive unnoticed.