carefree adj.无忧无虑的；不负责任的【记】.. carefree是词组.. free from care的变体【类】.. idyll:carefree＝ordeal:difficult..田园生活是无忧无虑的＝苦难经历是艰苦困难的 .... carefree:responsibility＝hidebound:flexibility..不负责任没有责任＝死板的没有灵活性 careful adj.小心仔细的；谨慎尽责的【例】.. He is a careful worker.他做事很细心。【参】.. careless（adj.粗心的）＝thoughtless【类】.. interested:agog＝careful:meticulous..有兴趣的和十分感兴趣的＝小心的和十分小心的 .... devoted:zealous＝careful:fastidious..热衷的和狂热的＝细心的和挑剔的【反】.. derelict（adj.玩忽职守的）；.. inadvertence（n.漫不经心）－careful attention（小心留意） caress n.爱抚（loving touch）；接吻；v.爱抚【记】读：可爱死了－爱抚【类】.. swagger:bravado＝caress:affection..大摇大摆表示虚张声势＝爱抚表示爱