a period of time when a criminal must behave well and not commit any more crimes in order to avoid being sent to prison

He was fined and given two years' probation. 他被处以罚金和两年缓刑。

The judge put him on probation for two years. 法官判他缓刑两年。

He served a year in prison and was then let out on probation. 他在监狱里服了1年刑，然后被处以缓刑。

a period of time at the start of a new job when you are watched and tested to see if you are suitable for the job

a period of probation 试用期

a period of time during which a student who has not performed well must continue to have a particular grade point average in order to stay in school

Gene's on probation this semester. 本学期是吉恩的试读期。