careful(英 [ˈkeəfl] 美 ['kɛrfl])造句:1、Be careful. Don't slur your shirt. 小心点,别弄脏了你的衬衣。2、Theaccident taught him to be more careful. 这起事故的教训使他变得更小心。3、Be careful notto capsize the boat. 小心不要把船弄翻。4、So, we haveto be careful.那么我们必须小心。5、You shouldbe more careful. 你应该更加小心。