[shuāng tóng jiǎn shuǐ]   

双    瞳    剪    水    瞳：瞳孔，指眼睛。形容眼睛清澈明亮。

形容女子眼睛清澈明亮。出自唐代诗人李贺《唐儿歌》：“骨重神寒天庙器，一双瞳人剪秋水。”

Both eyes are clear and bright like as autumu waters

双喜临门    双边贸易    双重人格    双管齐下    双宿双飞