A person who can do many different things is often called a Jack-of-all-trades and is able to wear many hats.

能做多种不同事情的人通常被称为“多面手”，这类人能身兼数职。

If you are a small business owner or freelancer you're used to wearing many hats.

如果您是小企业主或自由职业者，您已经习惯身兼数职。