"team kill,It acts like kill the allies in the game and sports." is "팀킬"(team kill) in Korean.
팀킬 (Team kill) is, in English 'Team Kill'. In games and sports, I say that like kill ally. For example, in the case of online games, players belonging to the ally side that or damaged. Against ally in the sport, and say things like give the suicide such as point to own goal.