滾瓜爛熟 :: ZWBit Chinese Character and PinYin Dictionary

ZWBit汉字-拼音字典

Pinyin Simplified Chinese	English	Traditional Chinese
gǔnguālànshú 滚瓜烂熟^字	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;	滾瓜爛熟^字