英语翻译：今天由我请客用英语怎么说

标准的：It's my treat today.

如果你请别人吃饭，付帐的时候，告诉别人：

It's on me.
(我请客。)
It's my treat.
(我请客。)
Be my guest.
(我请客。)
你还可以说：

Let me pay the bill.
(我来付帐。)
Let me foot the bill.
(让我付帐。)
I want to treat you.
(我滚薯启请你。)
Note:
It's on me. 表示我请客手腔。
It's on you.表示你请客。

如果Waiter送一些免费的大如小菜，他会说：

It's on the house.
店老板请客，意思是“免费招待”。

It's my treat.
我请客，
参考资料：http://www.hongen.com/eng/data/sentence/index2.htm

it's
on
me.这个是比较口语话的敏宽蔽。经常用在点过餐，要买单的时候说的。意思就是这次算我巧郑的。我请客。
或者说
it's
my
treat
today.
另外，如果在酒吧，请大家喝酒的桥州时候我们经常说
this
round
is
on
me.
意思就是“这轮我请。”口语一点儿就是我请大家喝这杯啦。

it's my treat today.或be my guest

It's on me today.

or My treat today.

It's on me.