The idiom "hit a wall" means to reach a point where you can no longer make progress or continue with something because of a sudden obstacle or difficulty. It is often used to describe a situation where you have been working hard towards a goal, but suddenly you are unable to make any further progress.
For example, if you are studying for an exam and you have been studying for hours, but suddenly you cannot understand a certain concept, you can say that you have hit a wall. This means that you have reached a point where you cannot make any further progress until you overcome the obstacle.
Another example is if you are working on a project at work and you have been making good progress, but suddenly you encounter a problem that you cannot solve. You can say that you have hit a wall, meaning that you cannot continue with the project until you find a solution to the problem.
In short, "hit a wall" means to reach a sudden obstacle or difficulty that prevents you from making any further progress.
• The athlete trained hard for months, but eventually hit a wall and couldn't improve their performance any further.
• Despite their best efforts, the research team hit a wall and couldn't find a solution to the complex problem they were studying.
• The negotiations between the two countries hit a wall when they couldn't agree on the terms of the trade deal.
• After studying hard for hours, I hit a wall and couldn't concentrate anymore.
• The company hit a wall in terms of growth and had to reevaluate their strategy.
• After studying for hours, I hit a wall and couldn't focus anymore.
• Despite his talent, the athlete hit a wall in his career and was forced to retire early.
• The negotiations between the two countries hit a wall because neither side would compromise.
• The author hit a wall in her writing process and had to take a break to regain inspiration.
• I was running so fast that I hit a wall and fell down.
• The company's profits hit a wall due to the economic downturn.
• I was running so fast that I hit a wall and fell down.