滚瓜烂熟

Traditional form:

滾瓜爛熟

Pinyin (reading):

gǔnguālànshú

Definitions:

• lit. ripe as a melon that rolls from its vine (idiom); fig. to know fluently
• to know sth inside out
• to know sth by heart

Characters:

• 滚 - to boil, to roll, to turn
• 瓜 - melon, gourd, squash, cucumber
• 烂 - overcooked, overripe; rotten, spoiled
• 熟 - well-cooked; ripe, mature; familiar with

Traditional characters:

• 滾 - to boil, to roll, to turn
• 瓜 - melon, gourd, squash, cucumber
• 爛 - overcooked, overripe; rotten, spoiled
• 熟 - well-cooked; ripe, mature; familiar with