付出没有白费 (fùchū méiyǒu báifèi - dedication/contribution was not wasted)
Grammar & Usage
How it works
This idiom is composed of '付出' (fùchū - to pay, to expend effort, dedication), '没有' (méiyǒu - did not/have not), and '白费' (báifèi - to waste effort/money for nothing). It literally means 'the effort expended was not wasted' and is used to express that someone's hard work, sacrifices, or contributions have yielded positive results.
Sample sentences
看到项目成功，他觉得所有的付出都没有白费。
Seeing the project succeed, he felt that all his efforts had not been in vain.
经过多年的学习和努力，她最终考上了理想的大学，证明付出没有白费。
After years of studying and hard work, she finally got into her dream university, proving that her dedication was not wasted.
虽然过程很艰辛，但最后的结果告诉我们，付出没有白费。
Although the process was tough, the final outcome tells us that the effort was not wasted.
Mnemonic
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Example
看到项目成功，他觉得所有的付出都没有白费。
Seeing the project succeed, he felt that all his efforts had not been in vain.
经过多年的学习和努力，她最终考上了理想的大学，证明付出没有白费。
After years of studying and hard work, she finally got into her dream university, proving that her dedication was not wasted.
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