一箭双雕 (一箭雙鵰) yī jiàn shuāng diāo

yī jiàn shuāng diāo set phrase one arrow, two eagles; to kill two birds with one stone
Domain: Idiom 成语
Notes: (CC-CEDICT '一箭雙鵰'; Guoyu '一箭雙鵰'; Mathews 1931 '一箭雙鵰', p. 121)