"Cheer on" 或 "Give a cheer for" 是为选手加油的常用表达。其来源可能源于体育比赛，在比赛中为选手加油所用。
例句：
Let's give a cheer for the home team! (让我们为主队加油！)
I'll be cheering on my favorite player from the stands. (我将在看台上为我最喜欢的选手加油。)
The crowd cheered on the marathon runner as he crossed the finish pne. (人群在马拉松选手跨过终点线时为他加油。)