—What's going on?
你们干嘛呢？

—Shh, Shh, hot girl in Sheldon's office.
嘘，Sheldon办公室里有个靓妹。

—Sheldon's office? Is she lost?
在Sheldon的办公室？她是不是走错门了？

—Maybe she's his lawyer.
也许是他的律师。

—Well, she's free to examine my briefs.
那她可以随时查看我的诉讼。

——《生活大爆炸》

free adj. 随意的，当表达请随意做某事的时候，有一个常用的短语"feel free to"

feel free to用法

If you have any question, you shouldn't keep slient, you can feel free to ask.
如果你有任何问题，你不应该保持沉默，你可以随便问。

Feel free to go where you like.
你想到哪儿去就可以到哪儿去。

Feel free to come watch us play!
欢迎大家到球场看我们打球！

Feel free to eat dinner here anytime!
你随时都可以来这里吃晚餐！

If you need help with anything, please feel free to ask me.
如果有什么需要我帮助之处尽管找我，请不要客气。