According to the query of Baidu Accidental and Baidu Library, there is no proverb about giving nicknames to others is poor in learning, but there are proverbs about learning: "If you don't sharpen your knife, you will fall behind if you don't study." "If you hate books, you don't know how difficult it is to experience them."
Proverbs, an important part of Chinese, refer to concise phrases that are widely circulated among the people.