It should be written by a talented senior three teacher at the earliest, and often encourages senior three students in the 3th swearing-in meeting.

It means: after three years of grinding a sword and years of hard training, I will ride my horse bravely to break through the difficulties today, and I will show my sword's edge in June. I wish the young man a triumphant return.

source: the swordsman by Jia Dao, a poet in the Tang dynasty.

original: ten years of grinding a sword, the frost blade has never tried.

I'm showing you today. Who's got a grievance?

After ten years of hard work, I have sharpened a sword, and the blade is cold and shining, but I haven't tried to sharpen it. Now I'll take it out and show it to you. Anyone who has an injustice may as well tell me truthfully.

Extended information:

The swordsman is a five-character quatrain written by Jia Dao, a poet in the Tang Dynasty. This poem is full of words, straightforward, concise and strong feelings.

the "grinding" of "grinding a sword in ten years" means building and grinding. It took ten years of effort, and this sword is naturally extraordinary.

"Frost blade has not been tried", that is, a very sharp sword has not been used, so it means "eager to try".

"I showed you today. Who has something wrong? "That is, I will show it to you today, so that if you tell me who has grievances in the world, I can help the poor.

the "sword" here is a metaphor and symbolic meaning, which expresses the author's ten-year cold window, tempering his talents and lofty ideals and ambitions.

Baidu encyclopedia-swordsman