Have good sense of responsibility, be honest and have positive work attitude;

富有工作责任心，诚实可靠，工作态度积极认真；

youdao

I have positive work attitude and be able to work diligently without supervision.

工作方面积极主动，能在没有监督的情况下努力工作。

youdao

Have positive work attitude and be willing and able to work diligently without supervision.

有积极的工作态度，愿意并能够在没有监督的情况下勤奋地工作。

youdao

Always have a positive attitude about the work, however menial it may seem.

FORBES: Turn Your Internship Into Your Job