来自grade, 级别，层级。引申义达到一定级别的，毕业。

1. My first job was as a graduate trainee with a bank.

我的第一份工作是在一家银行做大学毕业实习生。

2. Children graduate to the kindergarten, then pre-school, and then school.

孩子们先上幼儿园，然后上学前班，再接着上小学。

3. In practice a graduate tax is an administrative nightmare.

毕业税具体操作起来不啻一场行政噩梦。

4. Graduate status is the minimum requirement for entry to the teaching profession.

研究生学历是从事教学工作的最低要求。

5. Chicago has 6 graduate and professional schools of high repute.

芝加哥有6所颇负盛名的研究生院和专业院校。