wasted effort

Examples (10)

• All their hard work turned out to be wasted effort.
• Don't let this be a wasted effort; learn from your mistakes.
• She felt like her countless hours of studying were a wasted effort after failing the exam.
• Without proper planning, any project can become a wasted effort.
• It's frustrating to see so much talent go into a wasted effort.
• He considered it a wasted effort to argue with someone so stubborn.
• The team's final push proved to be a wasted effort as they still lost.
• To avoid wasted effort, always set clear goals.
• Despite her best intentions, it was ultimately a wasted effort.
• Is it truly a wasted effort if you learn something valuable from the process?