磨穿铁砚
to grind one's way through an ink stone; to persevere in a difficult task (idiom)
Frequency 1.3
Meanings
- to grind one's way through an ink stone
- to persevere in a difficult task (idiom)
- to study diligently (idiom)
to grind one's way through an ink stone; to persevere in a difficult task (idiom)
Frequency 1.3