Meaning of liú xià:
留下
to leave behind; to stay behind; to remain; to keep; not to let (sb) go
Tā zài zhuōzi shàng liúxiàle yī zhāng zìtiáo.
他在桌子上留下了一张字条。
He left a note on the table.
Tā juédìng liúxià bāngmáng.
他决定留下帮忙。
He decided to stay behind and help.
tā jué dìng zài gōng sī lǐ liú xià.
他决定在公司里留下。
He decided to remain in the company.
Tāmen juédìng bǎ zhè běn shū liúxià.
他们决定把这本书留下。
They decided to keep this book.
tā juédìng liúxià yǐ bāngzhù tā de péngyǒu.
他决定留下以帮助他的朋友。
He decided to stay to help his friend.