trial by fire

Idioms  

1. A test of one's abilities to perform well under pressure, as in Finishing this buge list of chores in time for the wedding is really a trial by fire. This expression alludes to the medieval practice of determining a person's guilt by having them undergo an ordeal, such as walking barefoot through a fire.

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Example Sentences

The matter gave Mr. Chapek his first serious trial by fire with a public relations matter.

From New York Times

“It’s been trial by fire,” Herbert said.

From Seattle Times

The Taliban’s advance has also underscored the vulnerability of the Afghan security forces, who have faced a grueling trial by fire since insurgents stepped up their offensive in May as American troops began their withdrawal.

From Los Angeles Times

He had never acted on camera before, and “Skins” was a trial by fire.

From New York Times

A Bowl debut is a trial by fire for a young conductor.

From Los Angeles Times