小雅
one of the three main divisions of the Book of Songs 詩經|诗经
小鸦鹃
(bird species of China) lesser coucal (Centropus bengalensis)
秤砣虽小压千斤
although small, a steelyard weight may tip a hundred pounds (idiom); apparently insignificant details can have a large impact; for want of a nail the battle was lost