| | relapse:n. [舊病復發,再惡化] falling back into a former state, especially becoming worse
 | relay:n. [分程傳遞,傳播] act of passing something along from one person, group, or station to another
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| relentless:a. [無情的,殘酷的] unmoved by appeals for sympathy or forgiveness; insensible to distresses of others; unyielding
 | relevant:a. [有關的,相對的] pertinent; having a connection with the matter at hand
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| reluctant:a. [不情願的,勉強的] not wanting to take some action; averse
 | remedy:n. [藥物] a medicine or therapy; cure; fix; repair; provide relief for
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| remorse:n. [懊悔,自責] the pain of a guilty conscience; feeling of deep regret
 | renaissance:n. [復興,再生] revival; renewal; the revival of learning and culture
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| rendezvous:n. [約會,約會地點,會合] meeting at a prearranged time and place; popular gathering place; prearranged meeting point for troops or ships
 | renowned:a. [著名的] famous; celebrated for great achievements, for distinguished qualities
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| reptile:n. [爬行動物] cold-blooded vertebrate, including tortoises, turtles, snakes, lizards, alligators, crocodiles
 | resemblance:n. [相似,酷肖] likeness; similarity in appearance or external or superficial details
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| resemble:v. [像,類似] be similar to; take after; look like
 | resign:v. [辭去(職務),聽從,順從] sign back; return by a formal act; yield to another; abandon
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| resignation:n. [聽從,辭職] act of resigning or giving up, as a claim, possession,  or office; surrender
 | resolution:n. [堅定,決心,決定] determination; resolving to do something; a formal statement of a decision
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| resource:n. [資源,財力,辦法,智謀] materials; abilities; available source
 | restless:a. [不安寧的,好動的] never resting; unquiet; uneasy; continually moving; eager for change; discontented
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| restrain:v. [克制,抑制] keep under control; hold back; place limits on
 | retail:a. [零售的] selling of goods to consumers
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