◎管窺蠡測(cè)guǎnkuī-lícè
[take a narrow view of sth;look at the sky through a bamboo tube and measure the sea with a calabash——restricted in vision and shallow in understanding] 管中視天，以瓢量海水，喻眼光狹小，見識(shí)不廣或不自量力
我昨兒晚上的話竟說錯(cuò)了，怪不得老爺說我是“管窺蠡測(cè)”!——《紅樓夢(mèng)》三十六回
m.