浩如烟海 Traditional 浩如煙海 hào rú yān hǎi 🔊 vast as the open sea (idiom) + Keep this word Meanings hào rú yān hǎi 浩如煙海 vast as the open sea (idiom); fig. extensive (library) Its characters 浩hàogrand如rúasHSK 5烟yāncigarette or pipe tobaccoHSK 4海hǎioceanHSK 3