她很怀念在北京的生活。

Tā hěn huáiniàn zài Běijīng de shēnghuó.

She really misses her life in Beijing.

人长大了，就会怀念过去的日子。

Rén zhǎngdà le, jiù huì huáiniàn guòqù de rìzi.

As people grow up, they start to miss the old days.

我怀念过去的学校时光。

Wǒ huáiniàn guòqù de xuéxiào shíguāng.

I miss the old school days.