 Complete the following phrase:  Under the next manager Guus Hiddinks management, Kim began to play for the national team in earnest. Formerly an unimpressive player in the K League, he was criticized early because of his poor basic skills, but he was completed as an irreplaceable defensive midfielder, who block counterattacks of the opponent team beforehand, in Hiddinks belief. Being strong on stamina and fierce tussle, he was nicknamed the Vacuum Cleaner due to his relentless play. He was named in the Best XI of the tournament at the 