Chinese

		vast ocean; large ocean	one; 1; single one; 1; single; a; (before verbs) as soon as, once; (before a noun) entire (family, etc.)	grain; millet
trad. (滄海一粟)		滄海	一	粟
simp. (沧海一粟)		沧海	一	粟

Idiom

滄海一粟

1. drop in the ocean; drop in the bucket