太仓一粟

Explanation: Taicang: the ancient capital of the largest in the barn. Big barn where the grain of corn. Metaphor of a great number of very small numbers. 　　Usage: Partial official; as object clause; analogy a great number of very small number of 　　Source: Qing Wen Kang, "Children Heroes" third back: "How many people set a percentage out; but fear of a grain of Taicang, useless." Thesaurus:  about [much]the same, One of the best, rare and precious things or persons; as precious and rare as phoenix feather and unicorn horns, Yizhenyixian, a drop in the bucket, a drop in the bucket, be both socialist-winded and professionally expert, a tiny bit, Nine cattle cent, insignificant insignificantly, Wang Zun Delong, like bite, Thousand side, Taicang as atom, 1 star slightest, Every tree and bush Antonym Group:  have no choice but enumerate, Have no choice but Sheng held, Nangengpushu