沧海一粟 Traditional 滄海一粟 cāng hǎi yī sù 🔊 one grain floating on the ocean (idiom) + Keep this word Meanings cāng hǎi yī sù 滄海一粟 (lit.) one grain floating on the ocean (idiom)(fig.) a drop in the ocean Its characters 沧cāngdeep blue-green海hǎioceanHSK 3一yīoneHSK 1粟sùmillet