on trial

Idioms  

1. In the process of being tried, especially in a court of law. For example, He would be put on trial for the murder of his wife . [Early 1700s]

2. As a test of something, on probation, as in They said we could take the vacuum cleaner on trial and return it if it was too noisy . [Early 1700s]

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Example Sentences

In the past, catalyst development often relied on trial and error.

From Science Daily

As well as seeing her eldest child on trial in Norway's biggest court spectacle for years, Mette-Marit is suffering from ill health, having contracted the lung disease pulmonary fibrosis.

From BBC

Dati -- soon to go on trial for graft charges she denies -- has vowed to make the city cleaner and safer, pledging to improve rubbish collection, give weapons to municipal police officers and increase video surveillance.

From Barron's

California and other communities deserve their day in court to put these companies on trial and hold them accountable for the harm they’ve caused.

From Los Angeles Times

Both men are on trial at the Old Bailey on charges under the National Security Act.

From BBC