LEARNit Dictionary
game changer
noun
/ˈɡeɪm tʃeɪndʒə(r)/
UK
/ˈɡeɪm tʃeɪndʒər/
US
1
a person, an idea or an event that completely changes the way a situation develops
عامل تحول, تحولساز, متحولکننده