I stayed up late to see the New Year in.

我等到深夜新一年来临，才上床睡觉。

We stayed up till midnight to see the New Year in.

我们守候到子夜，迎接新的一年。

An optimist stays up until midnight to see the New Year in.

乐观者等至深夜，为的是看到新的一年开始。

According to custom, each family will stay up to see the New Year in.

按照惯例，每个家庭将会熬夜，迎接新的一年。

According to custom, each family will stay up to see the New Year in.

根据传统，每个家庭都会熬夜来迎接新年。