boss

In a sentence

• 老板今天给我们开了一次非常有趣的会议。

  The boss held a very interesting meeting for us today.

  Here, '老板' refers to one's superior or employer in the workplace context.

• 你知道老王最近开了一家餐馆，成了自己的老板吗？

  Did you know that Mr. Wang recently opened a restaurant and became his own boss?

  In this case, '老板' is used to denote the owner or manager of a business.

• 老张有时候喜欢自称为老板，其实他只是个管理者。

  Mr. Zhang sometimes likes to call himself the boss, but he is actually just a manager.

  Here, '老板' is employed in a colloquial sense, referring to someone in charge or self-assumed authority.