一石二鸟 Traditional form: 一石二鳥 Pinyin (reading): yīshí'èrniǎo Definitions: to kill two birds with one stone (idiom) Characters: 一 - one; a, an; alone 石 - stone, rock, mineral 二 - two; twice 鸟 - bird Traditional characters: 一 - one; a, an; alone 石 - stone, rock, mineral 二 - two; twice 鳥 - bird