1. at all, after all
　　at all根本，全然, after all到底，毕竟 After all he is a child.
　　2. tall, high
　　tall常指人或动物，high常指物体 He is tall.
　　3. fast, quickly
　　fast侧重于指人或物体具有运动速度快的特点，quickly侧重指某事完成或发生的快 run fast, answer the question quickly
　　4. high, highly
　　high具体的高，highly抽象的高，高度的 think highly of
　　5. healthy, healthful
　　healthy健康的，健壮的，healthful有益于健康的 healthful exercise
　　6. sleeping, asleep, sleepy
　　sleeping正在睡觉，asleep睡着，熟睡，只能做表语，sleepy困的，有睡意的 a sleeping baby The baby is asleep. I'm sleepy.
　　7. gold, golden
　　gold指真金制品，golden指金色的，但金鱼用gold fish a gold ring
　　8. most, mostly
　　most用于表感受的肯定句中，相当于very，当大部分，大多数解时是形容词或名词，mostly大部分,是副词 most people, the people are mostly…
　　9. just, very
　　just表强调时是副词，作状语，very表强调时是形容词，用作定语 the very man, just the man
　　10. wide, broad
　　wide侧重于一边到另一边的距离，broad侧重于幅面的宽广broad shoulders
　　11. real, true
　　real真的，真实的，指的是事实上存在而不是想象的，true真的，真正的，指的是事实和实际情况相符合 real gold, a true story
　　12. respectful, respectable
　　respectful尊敬，有礼貌，respectable可敬的，值得尊敬的 be respectful to the aged
　　13. outwards, outward
　　二者均可用作副词，表示向外，外面，outward还可用作形容词 an outward voyage
　　14. pleasant, pleased, pleasing
　　pleasant常用作定语，pleased, pleasing常用作表语，pleased主语常为人，pleasing主语常为物 a pleasant trip The trip is pleasing.
　　15. understanding, understandable
　　understanding明白事理的，能体谅的，understandable 可理解的，能够懂的 an understanding girl, an understandable mistake
　　16. close, closely
　　close接近，靠近，closely紧紧地，紧密地 closely connected, stand close
　　17. ill, sick
　　ill做表语，sick定，表均可 a sick boy
　　18. good, well
　　good形容词，well副词，但指身体状况是形容词 He is well again.

19. quiet, silent, still
　　quiet安静的，可以发出小的声音，silent不发出声音，但可以动，still完全不动，完全无声响 He stand there still. 他站在那儿，一动不动，也不说话。
　　20. hard, hardly
　　hard努力，hardly几乎不 work hard I can hardly believe it.
　　21. able, capable
　　able与不定式to do连用，capable与of连用 He is capable of doing…
　　22. almost, nearly
　　二者均为"几乎,差不多" 和否定词连用用almost almost nobody
　　23. late, lately
　　late迟，晚，lately最近，近来 I haven't seen him lately.
　　24. living, alive, live, lively
　　living, alive, live均为活着的，living定表均可，alive定表均可，定语后置，live只能做定语，lively意为活波的 all the living people=all the people alive
　　25. excited, exciting
　　excited使人兴奋的，exciting令人兴奋的 I'm excited. The news is exciting.
　　26. deep, deeply
　　deep具体的深，deeply抽象的深，深深地 deeply moved, dig deep
　　27. aloud, loud
　　aloud出声地，loud大声地 read aloud(出声地读)
　　28. worth, worthy
　　二者均为值得，worth后接doing，worthy后接to be done, of being done
　　It is worth visiting. = It's worthy to be visited. = It's worthy of being visited.
　　29. bad, badly
　　bad形容词，badly副词，不好，但与need, want, require连用为"很，非常" go bad I need the book badly.
　　30. before long, long before
　　before long不久以后，long before很久以前 not long before = before long