回答

・be my guest
・you can use that as you like

「請自便」在英語中可以用「be my guest」或「you can use that as you like」等來表達。

This is your room. It's a little small, but be my guest.
（這是您的房間。有點小，但請自便。）

There are various tools in the material storage, so you can use that as you like.
（材料儲藏室裡有各種工具，您可以根據自己的喜好使用。）

有幫助｜0