1 a system that allows sb who has committed a crime not to go to prison if he/she goes to see to an official (a probation officer) regularly for a fixed period of time 缓刑制（犯罪后被准许不坐牢，但须定期去见缓刑监督官）: Jamie is on probation for two years. 杰米被判缓刑两年。

2 a period of time at the start of a new job when you are tested to see if you are suitable 试用期: a three-month probation period 三个月的试用期