1
- a formal examination of evidence by a judge, typically before a jury, in order to decide guilt in a case of criminal or civil proceedings讯问, 审讯, 审理：
the newspaper accounts of the trial
报纸对审判的报导
mass noun the editor was summoned to stand trial for libel.该编辑因诽谤而被传讯。
2
- a test of the performance, qualities, or suitability of someone or something考验, 试验, 测试：
clinical trials must establish whether the new hip replacements are working.
临床测试必须确定髋关节替代物是否有效
2.1
- a sports match to test the ability of players eligible for selection to a team预赛, 选拔赛。
2.2
- a test of individual ability on a motorcycle over rough ground or on a road（检验车手技能的）摩托车障碍检验赛。
2.3
trials
an event in which horses, dogs, or other animals compete or perform（马、狗等的）动物比赛; 动物表演：horse trials.
马赛。
3
- a person, thing, or situation that tests a person's endurance or forbearance（对人的忍耐、自制力的）考验, 磨练：
the trials and tribulations of married life.
婚姻生活的磨难。
(trialled, trialling; <美> trialed, trailing)
1
- with obj. test (something, especially a new product) to assess its suitability or performance试验, 测试（尤指新产品）：
teachers all over the UK are trialling the materials.
全英国的老师都在试用这些教材。
2
- no obj.(of a horse, dog, or other animal) compete in trials（马、狗等动物）参加比赛：
the pup trialled on Saturday.
小狗周六参加了比赛。
短语
on trial
1
- being tried in a court of law受审中。
2
- undergoing tests or scrutiny在测试（或审查）中：
water metering has been on trial in England and Wales.
计量用水已在英格兰和威尔士试行。
trial and error
- the process of experimenting with various methods of doing something until one finds the most successful反复试验, 试错法。
词源
late Middle English (as a noun)： from Anglo-Norman French, or from medieval Latin triallum. The verb dates from the 1980s.