rare occasions• You will only want to do this on rare occasions.• He had not cried except on rare occasions of enormoussorrow in all the years thereafter.• On rare occasions one even sings, but haltingly.• So on the rare occasions they did report themselves in a State of Readiness they knew an AgileBlade was likely.• On rare occasions, they preach.• And on rare occasions, we may actually experience something of that sort.• Perfectexcuse on the mercifully rare occasions when he hinted, showed any interest.• This may well be one of those rare occasions when light aircraft pilots have the opportunity to shape something that affects them.
rare old• I gave the man a rare oldrace round.• There's a rare oldruck before the police arrive.• I knew I was taking some rare oldstick mentally, though.
Originrare
1. (1400-1500)Latinrarus
2. (1600-1700)rear“lightly cooked”((15-19 centuries)), from Old Englishhrer
VERBS | ADVERBVERBS➤be, seem稀罕;好像罕見▸➤become, get變得稀罕▸➤remain仍然少見➤be considered被認為罕見◇19 species of the bird are considered rare.這類鳥中有 19 種被視為稀有物種。ADVERB➤extremely, fairly, very, etc.極其/相當/非常罕見▸➤especially, exceedingly, exceptionally, extraordinarily, incredibly, particularly, surprisingly非常稀罕;極其稀罕;難以置信地罕見;尤其罕見;令人吃驚地罕見▸➤increasingly越來越少見▸➤comparatively, relatively比較稀罕;相對稀有▸➤enough, sufficiently夠稀有;十分罕見◇The stamps were not rare enough to be interesting.這些郵票不夠罕見,難以稱奇。
rare ♦︎ uncommon ♦︎ infrequentThese words describe things that are not found or do not happen often.这些词均表示稀少的、稀罕的。PATTERNS AND COLLOCATIONS 句型和搭配◆rare / uncommon / infrequent in sth◆rare / uncommon among sb◆rare / (not) uncommon (for sb / sth) to do sth◆rare / uncommon / infrequent words◆a rare / an uncommon experience / feature / occurrence◆a rare / no uncommon thing◆rare / infrequent occasions / use◆a rare / an infrequent visitor◆fairly / rather / relatively / very rare / uncommon / infrequent◆not uncommon / infrequent■rarenot done, seen or happening very often; existing only in small numbers and therefore valuable or interesting稀少的;稀罕的;珍贵的◆It is rare for a prison sentence to be imposed for a first offence.初犯便被判处监禁很罕见。◆This is a rare sight: badgers are normally active only at night.这是罕见的情景-貛通常只在夜间活动。◆He suffers from a rare bone disease.他患有一种罕见的骨骼疾病。◆The library has a collection of rare books and manuscripts.该图书馆藏有一批珍本书籍和手稿。◆The farm specializes in rare breeds.这个农场专门养殖稀有品种。OPPcommon ⇨ general1▸rarity ˈreərəti; NAmEˈrerəti
noun
[uncountable] ◆The value of antiques will depend on their condition and rarity.古董的价值依其保存状况和稀有程度而定。■uncommonnot existing in large numbers or in many places不常有的;罕见的;稀罕的◆Side effects from the injection are uncommon.这种针剂很少有副作用。◆It is not uncommon to find 30 different species on one tree.在一棵树上找到30个不同的物种并不稀奇。OPPcommon ⇨ general1■infrequentɪnˈfriːkwənt not happening often不常发生的;罕见的◆Examinations need to be carried out only at infrequent intervals.偶尔才需要进行检查。◆American trains are infrequent and the network is patchy.美国火车班次很少,而且覆盖网络不完整。OPPfrequent ⇨ frequent