试用期怎么翻译？

试用期:
1. probationary period
2. probation period

Examples:
1. 经过六个月的试用期之后, 她获准正式任该职.
After a six-month probationary period, she was confirmed in her post.
2. 经过试用期，公司已决定给他订一个全日工作的合同。
After the probationary period the company decide to offer him a full-time contract.
3. 在她被接受为固定雇员之前经过了三个月的试用期。
He was taken on for a three-month trial period before being accepted as a permanent member of staff.
4. 新加入的人员有三个月试用期.
There's a three-month period of probation/probationperiod for new recruits.
5. 有13周的法定试用期。
There is a statutory period of probation of thirteen weeks.
6. 经过试用期，公司已决定给他订一个全日工作的合同。
After the probationary period the company decide to offer him a full - time contract.
7. 在三个月的试用期里，亨利自始至终尽量使自己表现良好。
Henry was on his best behavior throughout the three months on probation.
8. 若新车试用期出了毛病，就近可以得到百分之九十的免费服务机会。
If a new car is having teething troubles,nine t