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| relapse | 
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| n. [舊病復發,再惡化] falling back into a former state, especially becoming worse He handed in his resignation at once--and that night, the Judge suffered a relapse and died. | 
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| relay | 
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| n. [分程傳遞,傳播] act of passing something along from one person, group, or station to another The second connection to the relay is a cable to the network port on the PC. | 
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| relevant | 
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| a. [有關的,相對的] pertinent; having a connection with the matter at hand The only way for a value brand like ours to remain relevant is to provide innovation that sets us apart. | 
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| reluctant | 
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| a. [不情願的,勉強的] not wanting to take some action; averse Economists say the unemployment rate could climb as high as 10.5 percent next year because employers remain reluctant to hire. | 
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| remedy | 
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| n. [藥物] a medicine or therapy; cure; fix; repair; provide relief for Their remedy is a cut in production to curtail the extent to which the members exceed their agreed quotas. | 
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| remorse | 
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| n. [懊悔,自責] the pain of a guilty conscience; feeling of deep regret Ah, said Bernard, my remorse is all gone, and yet I think I love you about as much as ever! | 
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| renowned | 
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| a. [著名的] famous; celebrated for great achievements, for distinguished qualities In Europe, the French are renowned for their cooking. | 
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| resemblance | 
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| n. [相似,酷肖] likeness; similarity in appearance or external or superficial details The resemblance is undeniable, from the massive arch to the carved pillars. | 
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| resemble | 
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| v. [像,類似] be similar to; take after; look like John does not resemble his father, and I am glad of it: John is like me and like my brothers - he is quite a Gibson. | 
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| resign | 
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| v. [辭去(職務),聽從,順從] sign back; return by a formal act; yield to another; abandon He decided to resign his claim to the copyright. | 
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| resignation | 
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| n. [聽從,辭職] act of resigning or giving up, as a claim, possession,  or office; surrender He informed that his resignation was effective immediately and never back office once more. | 
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| resource | 
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| n. [資源,財力,辦法,智謀] materials; abilities; available source Still, she went on growing, and, as a last resource, she put one arm out of the window and one foot up the chimney. | 
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| restless | 
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| a. [不安寧的,好動的] never resting; unquiet; uneasy; continually moving; eager for change; discontented Sometimes it is the only calm place in restless times. |