Dàhán Hángkōng shì Hánguó zuì dà de hángkōng gōngsī.
Korean Air is the largest airline in South Korea.
Tips
usage
大韩 is not used on its own in everyday speech. It appears as a prefix in formal names: 大韩民国 (Republic of Korea), 大韩帝国 (Korean Empire), 大韩航空 (Korean Air).