ride on something/someone
phrasal verb with ride verb uk/raɪd/ us/raɪd/ rode | ridden
依赖，依靠，指望
When something important, such as your reputation or money, rides on a particular person or thing, it will be won or achieved if that person or thing is successful.
The future of the company now rides on the new managing director. 公司的未来现在就指望新任经理了。
I have a lot of money riding on that horse (= I will win or lose a lot of money if that horse wins or loses the race). 我在那匹赛马上押了很多钱。