81. 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
82. respectful, respectable
respectful尊敬，有礼貌，respectable可敬的，值得尊敬的 be respectful to the aged
83. 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
84. 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.
85. 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
86. close, closely
close接近，靠近，closely紧紧地，紧密地 closely connected, stand close
87. ill, sick
ill做表语，sick定，表均可 a sick boy
88. good, well
good形容词，well副词，但指身体状况是形容词 He is well again.
89. 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。
90. hard, hardly
hard努力，hardly几乎不 work hard I can hardly believe it.
91. able, capable
able与不定式to do连用，capable与of连用 He is capable of doing…
92. almost, nearly
二者均为"几乎,差不多" 和否定词连用用almost almost nobody
93. late, lately
late迟，晚，lately最近，近来 I haven't seen him lately.
94. 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
95. excited, exciting
excited使人兴奋的，exciting令人兴奋的 I'm excited. The news is exciting.
96. deep, deeply
deep具体的深，deeply抽象的深，深深地 deeply moved, dig deep
97. aloud, loud
aloud出声地，loud大声地 read aloud(出声地读)
98. 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.
99. 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.
100. before long, long before
before long不久以后，long before很久以前 not long before = before long
