The idiom "have a lot riding on something" means that you have a lot of important things at stake or dependent on the outcome of a particular situation. It can be used to describe a situation where someone has invested a lot of time, money, or effort into something and the success or failure of that thing will have a significant impact on their life or future plans.
For example, if a student has been studying hard for an important exam, they might say "I have a lot riding on this exam" because their future academic success may depend on the results. Similarly, if a business owner is launching a new product, they might say "I have a lot riding on this launch" because the success of the product could determine the future of their business.
Overall, the idiom "have a lot riding on something" is used to convey the idea that someone has a significant amount of personal investment in a particular situation and that the outcome of that situation will have a significant impact on their life or future plans.
• The team has a lot riding on this game, as it will determine their chances of making it to the playoffs. (talking about a sports game)
• She has a lot riding on her upcoming exam. (talking about an exam)
• I have a lot riding on this job interview. (talking about a job interview)
• Our company has a lot riding on this project's success. (talking about a business project)
• After months of preparation, the astronaut has a lot riding on this mission's success, as it could lead to groundbreaking discoveries. (talking about a space mission)
• The country has a lot riding on the outcome of this election, as it will shape the future of the nation. (talking about a political election)