14．altogether和all together
altogether(in total)“总共”，
all together意思是“in a group”。如：We put the sheep all together in one field．这两个词还可以分开。We put all the sheep together in one field．
15．besides和beside
besides意思是“in addition to”“加之，还有，另外”；而beside“在……旁边”，“在……一侧”。Duncan is the tall man standing beside my father．站在我爸爸旁边的高个子男子是邓肯。
16．coherence和cohesion
coherence"统一，一致性”；cohesion"结合力，团结”，The cohesion or molecules分子的结合力。
17．compare with和 compare to
compare with‘和……比起来”
compare to"好比”。He compared the moon to a silver plate．他把月亮比成一个大银盘。
18．impel和compel
impel"推动，驱使，激励”。impel sb．to do sth．激励某人做某事；
compel"强迫，胁迫，迫使”。compel sb．to oneg will强迫人服从自己。
19．complement和compliment
complement"补足(物)，补全”，“补足语”。
compliment"恭维话，赞辞，敬意”；Your presence is a great compliment．承蒙光临，不胜荣幸。
2o．continual和continuous
continual"连续，继续”；“频繁的”；continual bouts of toothache一阵接一阵的牙痛。(这中间可能有停顿或间断。)
continuous"连续”(指从不间断的)；weve had three weeks of continuous rain．我们这里连续三周下雨不停。
21．might和could
might表明“possibility”。
could应该用来表明"permission"．Mum said we could(might)go to the football match．
22．council和counsel
council"议事机构”，委员会a cabinet council内阁会议。
counsel"商议，劝告”；follow sb．s counsel close牢记某人忠告。
23．economical和economic
economic"经济学的，经济上的”an economic survey of Scotland苏格兰经济调查；an economic block．ade经济封锁；economical"节俭的，经济的”；Hes had to learn to be more economical now that his only in．come is a small pension．
24．historical和historic
historical"有关历史的"，“历史的”，the historical period历史阶段；historical personage历史人物。‘historic“历史上有名的，有历史意义的”，historic town历史名城。
25．infer和imply
infer"猜想，臆测”，“推断”；infer a motive from an effect从效果推知动机。
imply“含有……的意思”；Do you realize what his words imply？你理解他说话的含意吗？I do not imply that you are wrong．我的意思不是说你错了。
26．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 inten—sive study彻底的研究；an intensive reading精读(opp．Extensive reading泛读)。
27．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．
28．1oose和lose
loose"松的，宽的”。
lose"丢失”；lose oneg balance失去平衡，跌倒；lose oneg head被搞糊涂。
29．magical和magic
它们都和magic有关系，但是magical也有"wonderful，entrancing”的意思。
3o．masterly和masterful
masterly(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”；Youie so strong and masterful.