probationer

1. N-COUNT A probationer is someone who has been found guilty of committing a crime but is on probation rather than in prison. 緩刑犯

2. N-COUNT A probationer is someone who is still being trained to do a job and is on trial. 見習(xí)生; 試用人員

...a probationer policeman. ...一名見習(xí)警察。