HSK 2
Dàibiǎotuán yīgòng yǒu shí'èr gè rén.
The delegation has twelve people in total.
HSK 5
Tā shì dàibiǎotuán de tuánzhǎng.
He is the head of the delegation.
HSK 7-9
Zhōngguó dàibiǎotuán dàodá le huìchǎng.
The Chinese delegation arrived at the conference venue.