1.impractical和impracticable (not sensible or efficient or not actually possible)“不切实际的,不现实的”。 impracticable (not able to be done or used)“不能实行的,行不通的”;With a river on one side and a steep 0drop on the other, it is impracticable to widen the road. 2.incredible和incredulous incredible“不可相信的,难以置信的”;incredible energy惊人的能量,精力。 incredulous“不相信的,表示怀疑的”;be incredulous of hearsay不相信道听途说;an incredulous look怀疑的目光。 3.ingenious和ingenuous ingenious“机灵的”. an ingenious mind机灵的头脑;an ingenious machine精巧的机器。 ingenuous“直率的,坦白的”。 4.intense和intensive intense“激烈的,强烈的”,“紧张的”an intense light强烈的灯光;intense heat酷热;an intense life奋发图强的生活。 intensive“加强的,集中的”;“深入细致的,彻底的”. an intensive bombardment密集炮击;an intensive study彻底的研究;an intensive reading精读(extensive reading泛读)。 5.junction和juncture junction“接合,连接”,“(河流的)汇合处”. make a junction取得联络,连接起来junction box接线盒。 juncture (a particular point in time or in a sequence of events)“接合,连接”,“时机,关头”;an important juncture in a man s career人生历程中的重要关头;at this juncture在这个时候;in the present critical juncture of things在目前这一危急关头下。 6.apt和prone 它们都具有“tending to or in the habit of”的意思,但是prone只用于人。Elderly people are prone to falls, often because of arthritic joints or dizziness. 7.loose和lose loose“松的,宽的”。 lose“丢失”. lose one s balance失去平衡,跌倒;lose one s head被搞糊涂。 8.luxuriant和luxurious luxuriant (growing strongly or vigorously. abundant, prolific)“繁茂的;多产的;丰富的”;His luxuriant beard was red. luxurious“豪华的,奢侈的”;a luxurious table奢侈的饭菜。 9.magical和magic 它们都和magic有关系,但是magical也有“wonderful, entrancing”的意思。 10.masterly和masterful(showing great skill or the skill of a master)“熟练的;名家的”。 masterful (showing power or authority)“主人派头的,专横的”;Youre so strong and masterful.