滚瓜烂熟

gun3 gua1 lan4 shu2
2024-09-09 · 94 · · · 0

中文繁体

滾瓜爛熟

英文翻译

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
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