浩如煙海

hàorúyānhǎi

vast as the open sea—a tremendous amount (of literature, data, etc.)

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hao4 ru2 yan1 hai3

vast as the open sea (idiom); fig. extensive (library)

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浩如煙海|浩如烟海 [hào rú yān hǎi] ► vast as the open sea (idiom); fig. extensive (library)