() a time of training and testing when you start a new job to see if you are suitable for the work 试用期；见习期◆a period of probation 试用期
a period of time during which a person or a company that has not been doing well must improve （为表现不佳的个人或公司而设的）留用期，考察期◆He said that management was on probation and some people may be dismissed. 他说正在对管理层留职察看，某些人可能会被解雇。