Frog frog refers only to see the bottom of the wellhead so much one day. Insight metaphor narrow person. Idiom comes from the story of a shallow wells and the East China Sea turtle frog story "Zhuangzi Qiu": "Jingwa not language in the sea who are arrested in the virtual." 井底之蛙是指井底的蛙只能看到井口那么大的一块天。比喻见识狭窄的人。 成语出自于讲述了一个浅井的虾蟆和东海之鳖的故事的《庄子·秋水》:“井蛙不可以语于海者,拘于虚也。”