牛角挂书
lit. to hang one's books on cow horns (idiom); fig. to be diligent in one's studies
Frequency 2.7
Meanings
- lit. to hang one's books on cow horns (idiom)
- fig. to be diligent in one's studies
lit. to hang one's books on cow horns (idiom); fig. to be diligent in one's studies
Frequency 2.7