王八吃秤砣 - 鐵了心
'王八'就是烏龜的俗稱. '秤砣'是稱物品時用來使秤平衡的金屬錘, 用鐵鑄成. 假設一隻王八把秤砣到肚子裏, 連心也變成鐵的了.
'鐵了心'比喻主意已定, 很難改變; 或比喻意志堅定, 毫不動搖.
A tortoise swallowing a weight - get an iron heart
王八 is an alternative vulgar name for a tortoise. 秤砣 is the iron weight sliding along the arm of a steelyard. If a tortoise swallowed a weight, he would feel as though he had got an iron heart.
鐵了心 means having made up one's mind or having an iron will.
資料來自歇後語書
