HSK 2
Jiēshàng xīxīrǎngrǎng de, dàochù dōu shì rén.
The street was bustling with people everywhere.
HSK 4
Chūnjié qījiān, shāngchǎng lǐ xīxīrǎngrǎng.
During Spring Festival, the mall is bustling with crowds.
HSK 6
Xīxīrǎngrǎng de rénqún zhōng, tā xiǎnde géwài gūdú.
Among the bustling crowd, he seemed especially lonely.