This is the 6390th most frequent Chinese word.
报效
To serve or repay (one's country, organization, etc.) with dedication or loyalty.
In this sentence, '报效' is used to describe dedicating one's efforts and achievements to the service or benefit of the country.
学生们努力学习，以报效祖国。
Students strive to learn diligently to serve their country.
Here, '报效' implies the act of repaying or serving in gratitude, often applied in contexts relating to public welfare or societal duty.
他立志从军，报效人民。
He was determined to join the military to serve the people.
In this example, '报效' is used to express contributing positively to society in a tangible and effective manner.