He had been termed a temporary employee.

他曾被称为临时工。

《柯林斯英汉双解大词典》

You'll be hired as a temporary employee first, In six months time we will put you on our regular staff.

我们先按临时雇员录用你，六个月以后我们把你升为正式职员。

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If your position will be vacant or filled by a temporary employee, the company may need your help on specific problems.

如果你的岗位空着或由临时员工来接管，公司可能需要你帮忙解决某些特定问题。

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Creating a temporary public service employee program.

CNN: Report sees 'sobering statistics' on racial inequality

Employers are not going to take on a permanent employee in return for a temporary, one year tax reduction covering just 3% of his salary.

FORBES: Instead Of Obama's Jobs Plan, Pass Something That Will Work

Last December, Obama proposed and won in the tax package a temporary, one year, 2% cut in the employee payroll tax.

FORBES: Instead Of Obama's Jobs Plan, Pass Something That Will Work