a grain of millet in a granary ❍ 江东去此两人，如大木飘一叶，太仓减一粟耳；……(《三国演义》384) Two persons who could be easily spared from this populous country.They would not be missed any more than a leaf froma tree or a grain of millet from a granary…
太仓稊米tài cānɡ tí mǐ
太仓：指古代京师储藏粮食的大仓；稊米：小米。大仓里的一粒小米。比喻非常渺小，微不足道。a mere grain in the barn, a grain of millet in a granary, very small portion of sth. vast