滚瓜烂熟 (滾瓜爛熟) gǔn guā lànshú

gǔn guā lànshú set phrase ripe as a melon that rolls from its vine; to know fluently; to know something inside out
Domain: Idiom 成语
Notes: (CC-CEDICT '滾瓜爛熟')

Word is mentioned most frequently in

Truncated for common words