我在高中、大学课余时间都一直在做兼职，并利用暑假做全职工作。

I worked part-time during high school, full-time during the summer, and during breaks from college.

youdao

我最近一直在做三份兼职，身体已经开始出现问题了。

I "ve been working three different part-time jobs for a while and it" s beginning to take its toll on my health.

youdao