"都……了"(dōu... le) is used to express that something has already happened, similar to"已经……了". 

Structure
都 +Verb/Adjective/Quantity + 了
Examples

Nǐ dōu kuài sānshí le，hái bú jiéhūn？
你都快三十了，还不结婚？

You're almost 30, andyou still aren't married?

Xiànzài dōu èr shí yīshìjì le，nǐ zěnme hái zhèmexiǎnɡ？
现在都二十一世纪了，你怎么还这么想？

It's already the 21stcentury, can you believe that?

Dōu jiǔdiǎn le，kuài qǐchuánɡ bɑ!
都九点了，快起床吧！

It's already nine o'clock.Get out of bed!

Fàn dōu liánɡ le，tā zěnme hái bú huílái？
饭都凉了，他怎么还不回来？

The food is coldalready. Why hasn't he come back yet?

Niúnǎi dōu huàile，nǐzěnmeháibùbǎtārēnɡdiào ？
牛奶都坏了，你怎么还不把它扔掉？

The milk's gone bad,why haven't you throw it away?

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