But you can become a talent through hard work the day after tomorrow. I wonder if the meaning of "the day after tomorrow" in this sentence is poor in Chinese.

Don't! This is related to children's usual reading and communication with others, not a language problem. In addition to learning, children should have more contact with the society and indirectly influence their children through the exchanges between relatives and friends. In addition, children should communicate more, and there is a lot of information that children can understand and remember.