She thought the trials failed to understand the man and his deeds.

From a scientific point of view, no trial fails.

The trial of internet voting failed to increase turnout, which dropped to 35.2% from the 36% in the 2006 election.

After protests in their support from a Polish general, the trial has apparently so far failed to reach a conclusion.

The trial failed and the company abandoned development in 1999.

The trial failed to start because nobody had been able to find the homeless man to tell him to appear in court.

The trial failed to show efficacy of the treatment.

The first trials on 11 May and 12 failed.

The trial failed to attract sufficient interest and the service was cancelled a couple of months later on 31 July.

The latest trial failed to find even this benefit.