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.
