n.[U]

1. 檢驗；鑑定
2. 試用；見習；試讀
   He was a mechanic who was on probation.

   他是一名見習機械工。

3. 試用期；見習期；試讀期
4. 【律】緩刑

n.

1. Law  the release of an offender from detention, subject to a period of good behaviour under supervision.
2. the process of testing or observing the character or abilities of a person who is new to a role or job.