amateur

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++am·a·teur1 /ˈamətə, -tʃʊə, -tʃə, ˌæməˈtɜː $ ˈæmətʃʊr, -tər/ ●○○ noun [countable]  1  JOB/WORKsomeone who does an activity just for pleasure, not as their job 业余爱好者 OPP professional a gifted amateur 有天赋的业余爱好者 Mickelson won his first major golf tournament while still an amateur. 米克尔森还是业余选手时就赢得了他第一个高尔夫球锦标赛大奖。2  informal someone who you think is not very skilled at something 外行，生手 You English are a bunch of amateurs when it comes to romance. 谈情说爱你们英国人就外行了。5 —amateuradj an amateur orchestra业余管弦乐队 amateur dramatics BrE (=producing or acting in plays for pleasure)【英】业余戏剧活动 —amateurism noun [uncountable] well-meaning amateurism 出于好意的外行做法

Examples from the Corpus

amateur• Expectations for Verplank soared after that tour victory in 1985, the first by an amateur since Gene Littler in 1954.• Compared to those guys, I'm an amateur.• They are a magnet for tourists, experienced boaters and amateurs alike.• It is obvious that it thought the enlightened amateur, like Hope himself, was the ideal judge.• Jack Lemmon, his longtime amateur partner, will be absent after 23 consecutive unsuccessful attempts to make the pro-am cut.• The orchestra is made up entirely of amateurs.• The cast was made up mostly of amateurs.• From 175 out of 450 county cricketers in 1949 the number of amateurs fell to 72 out of 370 in 1961.• The first time, in 1962, Daley ran a political amateur for sheriff and Ogilvie beat him.• John Enright of the Olympic Club is one of the amateurs.amateur2 ●○○ adjective  n1  doing something for pleasure, or done for pleasure, and not as a job OPP professional an amateur golfer amateur dramatics British English (=producing or acting in plays for pleasure) 【英】业余戏剧活动n2  amateurish It was a very amateur performance.From Longman Business Dictionaryamateuram‧a‧teur /ˈæmətə, -tʃʊə, -tʃə, ˌæməˈtɜːˈæmətʃʊr, -tər/ noun [countable] someone who does an activity for pleasure, not as a jobHe thinks the drawings could be the work of an amateur. —amateur adjectiveamateur photographersOrigin amateur (1700-1800) French Latin amator “lover”, from amare “to love”

am·a·teur1 nounamateur2 adjectiveLDOCE OnlineChineseSyllable  

an their Business someone who not activity does as just pleasure, Corpus for

amateur
am‧a‧teur /ˈamətə, -tʃʊə, -tʃə, ˌæməˈtɜː $ ˈæmətʃʊr, -tər/ noun [countable]1. someone who does an activity just for pleasure, not as their job
   OPP  professional:
    a gifted amateur
    Mickelson won his first major golf tournament while still an amateur.
2. informal someone who you think is not very skilled at something:
    You English are a bunch of amateurs when it comes to romance.
—amateur adjective:
    an amateur orchestra
    amateur dramatics British English (=producing or acting in plays as an interest)
—amateurism noun [uncountable]:
    well-meaning amateurism