他自愿加班。

He volunteered to work overtime.

youdao

你急于表现自己，很多老板也很乐意让新进员工自愿加班熬夜。

You'll be anxious to over-perform, and many bosses are all too happy to have their new employees work long hours if they want to.

youdao

在工人开始工作之前，可以在合同中选填一份特殊的协议——自愿加班。

There's one special agreement workers could choose to sign for before starting to work.

youdao