on second thought转念一想双语对照词典结果：on second thought[英][ɔn ˈsekənd θɔ:t][美][ɑn ˈsɛkənd θɔt]回头一想；退一步想；再三思维; 以上结果来自金山词霸例句:1.On second thought, that's a really big hill. 另外想想，这山可真高。
