n.

1. 试；试用；试验[C][U]
   The trials show that smoking will do harm to people.

   试验显示抽烟对人体有害。

2. 考验；磨炼；艰苦[C][U]
3. 棘手的事；讨厌的人[S][（+to）]
   His blindness is a great trial to him.

   眼睛瞎对他来说是非常麻烦的事。

4. 审问，审判[U][C]
   He was brought to trial on charges of arson.

   他以纵火罪被送法院审理。

5. 尝试，努力[C]
   They succeeded in the experiment on the fifteenth trial.

   他们在第十五次试验时获得了成功。

a.[Z][B]

1. 试验的；试制的
   He was hired for a three month period on a trial basis.

   他受雇试用三个月。

2. 审讯的；审判的

n.

1. a formal examination of evidence in order to decide guilt in a case of criminal or civil proceedings.
2. a test of performance, qualities, or suitability.
   ▸a sports match to test the ability of players eligible for selection to a team.
   ▸a test of individual ability on a motorcycle.
   ▸ (trials) an event in which horses or dogs compete or perform.
3. a test of a person's endurance or forbearance.

v.

1. test (something) to assess its suitability or performance.
2. (of a horse or dog) compete in trials.