You are welcome to eat with us but you 'll have to take pot luck .

欢迎与我们一起 吃饭，不过只能有 什么 吃什么了。

If you don 't book your accommodation in advance you may find that all the best places are full and you 'll have to take pot luck .

不事先预定个房间，你会所有最好的地方都客满了，那么你就只好 找个地方 凑合了。

We seldom book hotel when travelling we usually just take pot luck .

我们旅游时很少预定旅馆的房间，通常都是 赶上 什麽 算 什麽。

If you haven 't made an appointment take pot luck and knock on the door

如果你没有预约， 就 敲门 试试 运气 吧。