part-time

part-time
adj, adv for only a part of the working day or week （一天或一星期中）部分时间工作的; 兼职的:,part-time `work/em`ployment 兼职工作[非全职雇佣]
    She's looking for a ,part-time `job. 她在寻找兼职工作.
    ,part-time `workers 兼职工作人员
    work part-time 兼职工作.

牛津英汉双解词典