To have a superficial or incomplete understanding; to know only a little about something.
他对这门复杂的理论只有一知半解，还需要花更多时间深入研究。
He has only a superficial understanding of this complex theory and needs to spend more time studying it in depth.
Era:
Ancient
Frequency:
Story:
During the Song Dynasty, the poet Chen Shidao believed that Su Dongpo's poetic style initially imitated Liu Yuxi and later learned from Li Bai.
However, the Qing Dynasty work "Shichun" (Essence of Poetry) held a different view: "Indeed, his poetry stands alone through the ages, not merely the work of one generation or one person. For Chen Shidao to claim that he first learned from Liu Yuxi and later from Li Taibai (Li Bai), wasn't that merely a superficial understanding (一知半解)?"
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