沧海一粟

滄海一粟
cānghǎiyīsù
  1. lit. one grain floating on the ocean (idiom)
  2. fig. a drop in the ocean

CEDICT

drop in the ocean; drop in the bucket

Wiktionary

大海中的一粒米粟。比喻淼小，微不足道。

重編國語辭典

淼小而微不足道

維基詞典

Entry Composition

1 沧海 cānghǎi
  1. (literary) vast ocean; large ocean
  2. vast ocean; large ocean
2 一 yī
  1. one
  2. single
  3. a (article)
  4. as soon as
  5. entire; whole; all; throughout
  6. "one" radical in Chinese characters (Kangxi radical 1)
  7. also pr. yāo for greater clarity when spelling out numbers digit by digit
3 粟 sù
  1. millet
  2. (metonym) grain

Related entries

九牛一毛 jiǔniúyīmáo
  1. lit. one hair from nine oxen (idiom)
  2. fig. a drop in the ocean