Ⅰ. competition “比赛、竞争”，指体能、技术、能力的竞争。
He won a drawing competition. 他在图画比赛中获胜。
Ⅱ. game “比赛”指有一定规则，且决定胜负的脑力和体力劳动的“竞技”。如：
There is going to be a football game tomorrow afternoon.
Ⅲ. match 多指球、足球、高尔夫球等运动项目的“比赛” 。
The golf match will he held tomorrow morning.