二者不可兼得[亦作 cannot have one's cake and eat it (too)] you cannot eat your cake and have it: 精力不可过分耗; 蜡烛不能两头点; 两者不可兼得; 事难两全; 鱼与熊掌，不可得兼you cannot eat your cakes and have it: 两者不可兼得you can’t have your cake and eat it: 工作的时候工作; 游戏的时候游戏this one cannot compare with that one: 这个与那个无法比较the one with the cake: 爱玛的生日蛋糕下载手机词典可随时随地查词查翻译
