1. He was a mechanic who was on probation.
    他是一名见习机械工。

2. probation

2. A technician on probation was hit by a piece of falling masonry.
    一个见习技术员被建筑物上落下的一块石头砸着了。

1. 试用：据了解,洛杉矶联合学区中新教师的考察,是学区各学校校长的重要职责之一. 如果教师一旦转为终身聘用的状态,几乎从不会因为教学表现不佳而被炒,只有学区规定的两年试用(probation)期内,新教师才有可能因教学被解聘.

2. 保护观察：霍姆斯从1949年其13岁开始就屡犯抢劫、入室盗窃、经常逃学、殴打和伤害人身等罪错行为,在多次交付保护观察(probation)后,终于被费城市法院送进州训练学校.

1. 缓刑期
    Probation is a period of time during which a person who has committed a crime has to obey the law and be supervised by a probation officer, rather than being sent to prison.

    e.g. The thief was put on probation for two years.
           这个小偷被处以两年缓刑。

2. 试用期；见习期
    Probation is a period of time during which someone is judging your character and ability while you work, in order to see if you are suitable for that type of work.

    e.g. Employee appointment to the Council will be subject to a term of probation of 6 months...
           被任命到理事会的员工将有6个月的见习期。
    e.g. After a further four-month extension of her probation period, she was sacked.
           在又试用了4个月后，她被开除了。

1. (law) a way of dealing with offenders without imprisoning them
    a defendant found guilty of a crime is released by the court without imprisonment subject to conditions imposed by the court

    e.g. probation is part of the sentencing process

2. a trial period during which an offender has time to redeem himself or herself

3. a trial period during which your character and abilities are tested to see whether you are suitable for work or for membership