每天学习十句英语口语（十三）

Be my guest. 请自便吧。

You only live once. 人生只有一次。

I wish you were here. 我希望你能在我身边。

l don't buy it. 我信你个鬼。

You're a nice guy. 你是个好人。

I'm very confused. 我很迷茫。

You want a piece of me. 来练练啊。

I was being polite. 我只是客气一下

live it up. 尽情享乐/及时行乐。

For lack of a better word. 怎么说呢？