这里只有清茶一杯，请自便。

There is nothing here but a cup of tea. You may have it if you’d like.

请自便,在这里你不受限制.

Help yourself . You are ad lib here.

请自便，在这里你不受限制。

Help yourself. You are ad lib here.

你要是想再喝一杯就请自便.

If you want another drink, just help yourself.

我写信的时候,各位能否自便?

Can you amuse yourselves while I write some letters?

我不知道你的爱好，所以请自便。

I don't know your preferences, so please help yourself.

请稍等或自便,主人会领你入座.

Please wait here or take advantage until our hostess escorts to your table.

如果你现在想吃晚餐,那就请自便吧.

Suit yourself if you want to eat dinner now.

请自便, 不过我曾希望过你能来帮忙.

Suit yourself, but I had hoeped that you would come and help.

不然?假如你只是想有网址的话?那就请自便吧.

Again, if you want to have a homepage, Do It Yourself.