HSK 1
Wǒ zài lǎo tóngxué jiā liúsù le liǎng tiān.
I stayed overnight at an old classmate's house for two days.
HSK 2
Tā ràng péngyou zài jiā lǐ liúsù le yī wǎn.
He put his friend up for the night at his home.
HSK 3
Lǚguǎn guīdìng bùdé ràng wàirén liúsù.
Hotel rules prohibit letting outsiders stay overnight.