| 单词 | trial |
| 释义 | trial trial // noun, verb
■ noun
BLIND TRIAL, CLINICAL TRIAL, FREE TRIAL, MINI-TRIAL
1 [C] the process of testing the quality or performance of a product to see if it will be effective or successful: The new drug is undergoing early-stage clinical trials.
❖ early-stage/initial/late-stage/mid-stage trials ◆ drug/safety trials ◆ to carry out/conduct/run/take part in/undergo trials
2 [C,U] the process of using a product or service, employing a person, etc. for a short period before you make a decision about it or them: You can give the service a trial before you make up your mind. The system was introduced on a trial basis for six months. She agreed to employ me for a trial period. We had the machine on trial for a week.
3 [U,C] a formal examination of evidence in a court by a judge and often a jury, to decide if sb accused of a crime is guilty or not: The former CEO is to stand trial for fraud. The judge will rule whether the case should go to trial.
❖ to await/face/go on/stand trial ◆ to come to/go to trial
IDIOMS
trial and error the process of solving a problem by trying various methods until you find a method that is successful: Everything I know about computers I learned through trial and error.
■ verb [+ obj] (-ll-, BrE, AmE -l-) (especially BrE) to test the quality or performance of a product to see if it will be effective or successful: They trialled the product with 20 of their best customers. Only one in ten drugs which are trialled on humans makes it to the market.
trialling noun [U] |
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