赌博真的很看运气。

Dǔbó zhēnde hěn kàn yùnqì.

Gambling really depends on luck.

我们没有预约，只是路过碰碰运气看餐厅有没有位子。

Wǒmen méiyǒu yùyuē, zhǐshì lùguò pèngpeng yùnqì kàn cāntīng yǒu méiyǒu wèizi.

We didn’t have a reservation—we just stopped by to see if the restaurant had a table.

今天运气真好。

jīntiān yùnqì zhēn hǎo.

Today is really lucky.