捕らぬ狸の皮算用
Meanings
1
counting one's chickens before they're hatched
Proverbial expression warning against making plans based on uncertain outcomes. The literal meaning is 'calculating the value of a raccoon dog's pelt before catching it.'
Making plans for after enrollment before even passing the exam is like counting your chickens before they're hatched.
Talking about what to buy if you win the lottery is exactly counting your chickens before they're hatched.