1. 审讯;审理;审判
    A trial is a formal meeting in a law court, at which a judge and jury listen to evidence and decide whether a person is guilty of a crime.

    e.g. New evidence showed the police lied at the trial...
           新的证据表明警方在审讯时撒了谎。
    e.g. He's awaiting trial in a military court on charges of plotting against the state...
           他因被控密谋颠覆国家正等待军事法庭的审判。

2. 试验;试用
    A trial is an experiment in which you test something by using it or doing it for a period of time to see how well it works. If something is on trial, it is being tested in this way.

    e.g. They have been treated with this drug in clinical trials...
           他们已在临床试验中接受过这种药物的治疗。
    e.g. I took the car out for a trial on the roads…
           我开车上路试驾了一下。

3. (人员的)试用，试用期
    If someone gives you a trial for a job, or if you are on trial, you do the job for a short period of time to see if you are suitable for it.

trial的反义词

    e.g. He had just given a trial to a young woman who said she had previous experience...
           他刚给了一位声称自己有从业经验的年轻女子一次试用机会。
    e.g. The 26-year old fullback has been on trial at the club for ten days.
           那位 26 岁的后卫已经在该俱乐部试用 10 天了。

4. 磨难;痛苦;麻烦
    If you refer to the trials of a situation, you mean the unpleasant things that you experience in it.

    e.g. ...the trials of adolescence.
           青春期的苦恼

5. 预赛;选拔赛;测试赛
    In some sports or outdoor activities, trials are a series of contests that test a competitor's skill and ability.

    e.g. He has been riding in horse trials for less than a year.
           他参加赛马选拔赛还不到一年。
    e.g. ...Dovedale Sheepdog Trials.
           达夫谷牧羊犬测试赛

6. 通过反复试验；经过不断摸索
    If you do something by trial and error, you try several different methods of doing it until you find the method that works properly.

    e.g. Many drugs were found by trial and error...
           很多药物都是通过反复试验才发现的。
    e.g. She feels that raising her children has been a matter of trial and error.
           她感到抚养孩子就像是摸着石头过河。

7. 在受审中
    If someone is on trial, they are being tried in a court of law.

trial的翻译

    e.g. He is currently on trial accused of serious drugs charges...
           他目前正因严重的毒品控罪而受审。
    e.g. He will go on trial later this month charged with murder…
           他将因谋杀罪名在本月晚些时候出庭受审。

8. 在测试中;在考察中;在考验中
    If you say that someone or something is on trial, you mean that they are in a situation where people are observing them to see whether they succeed or fail.

    e.g. The President will be drawn into a damaging battle in which his credentials will be on trial.
           总统将被卷入一场造成负面影响的争斗中，他的资格会因此受到考验。

9. 受审判
    If someone stands trial, they are tried in court for a crime they are accused of.

    e.g. He was found to be mentally unfit to stand trial…
           他被判定精神状况不宜接受审判。
    e.g. Five people are to stand trial for murder.
           将有 5 个人因涉嫌谋杀受到审判。