to know sth by heart
... 瓜叶栝楼 trichosanthes cucumerina 滚瓜烂熟 to know sth by heart 合瓜负泥虫属 lema ...
connected speech
MASTER ENGLISH PRONUNCIATION COMPLETELY
滚瓜烂熟,汉语成语,拼音是gǔn guā làn shú,意思是像从瓜蔓上掉下来的瓜那样熟。形容读书或背书流利纯熟。出自清·吴敬梓《儒林外史》。