释义 
		 🔑   oc·ca·sion BrE   /əˈkeɪʒn / NAmE   /əˈkeɪʒn /   noun  🔑    [ C ]   a  particular  time  when  sth  happens    某次;…的时候◆ on  this /that  occasion   这次;那次◆ I've  met  him  on  several  occasions .   我曾见过他几次。◆ I  can  remember  very  few   occasions  when     he  had  to  cancel  because  of  ill  health .   我记得他因为健康不佳而被迫取消的情况绝无仅有。◆ They  have  been  seen  together  on  two   separate  occasions  .   他们有两次被人看见在一起。◆ On  one  occasion , she  called  me  in  the  middle  of  the  night .   有一次她深更半夜打电话给我。◆ He  used  the  occasion  to  announce  further  tax  cuts .   他利用这个机会宣布再次减税。🔑    [ C ]   a  special  event , ceremony  or  celebration    特别的事情(或仪式、庆典)◆ a  great /memorable /happy  occasion   伟大的/难忘的/欢乐的庆典◆ Turn  every  meal  into   a  special  occasion  .   要把每一顿饭都弄得特别一些。◆ They   marked  the  occasion     (= celebrated  it  )  with  an  open -air  concert .   他们举办了露天音乐会来庆祝。◆ Their  wedding  turned  out  to  be  quite  an  occasion .   他们的婚礼办得相当隆重。◆ He  was  presented  with  the  watch   on  the  occasion  of     his  retirement .   他在退休仪式上获赠这块手表。 anniversary  ,  birthday   ,  celebrate   ,  commemorate   ,  festivity   ,  jubilee   ,  occasion   ,  parade   ,  party   ,  reception   
🔑    [ sing. ]   ~  (for  sth /doing  sth )  a  suitable  time  for  sth    适当的机会;时机◆ It  should  have  been  an  occasion  for  rejoicing , but  she  could  not  feel  any  real  joy .   原本应该是高兴的时刻,她却丝毫未感到快乐。◆ I'll  speak  to  him  about  it   if  the  occasion  arises     (= if  I  get  a  chance  ) .  有机会的话,我要跟他谈谈这件事。 [ U  , sing. ]   (formal  )  a  reason  or  cause    理由;原因◆ ~  (to  do  sth )  I've  had  no  occasion  to  visit  him  recently .   我最近无缘去拜访他。◆ ~  (of /for  sth )  Her  death  was  the  occasion  of  mass  riots .   她的逝世引发了大规模的骚乱。◆ I'm  willing  to  go  to  court  over  this   if  the  occasion  arises     (= if  it  becomes  necessary  ) .   如果必要的话,我愿意就此出庭。● on  ocˈcasion (s )  🔑 sometimes  but  not  often    偶尔;偶然;有时◆ He  has  been  known  on  occasion  to  lose  his  temper .   大家都知道他有时会发脾气。● a  sense  of  ocˈcasion a  feeling  or  understanding  that  an  event  is  important  or  special    隆重的(或特别的)气氛◆ Candles  on  the  table  gave  the  evening  a  sense  of  occasion .   桌上点了一些蜡烛,使得那个晚上有一种特别的气氛。 🔑   oc·ca·sion BrE   /əˈkeɪʒn / NAmE   /əˈkeɪʒn /   verb  present simple - I / you / we / they  occasion  BrE   /əˈkeɪʒn /   NAmE   /əˈkeɪʒn /  present simple - he / she / it  occasions  BrE   /əˈkeɪʒnz /   NAmE   /əˈkeɪʒnz /  past simple  occasioned  BrE   /əˈkeɪʒnd /   NAmE   /əˈkeɪʒnd /  past participle  occasioned  BrE   /əˈkeɪʒnd /   NAmE   /əˈkeɪʒnd /   -ing form  occasioning  BrE   /əˈkeɪʒnɪŋ /   NAmE   /əˈkeɪʒnɪŋ /  (formal  )  to  cause  sth    使发生;造成;导致◆ ~  sth The  flight  delay  was  occasioned  by  the  need  for  a  further  security  check .   这次航班的延误是由于必须做进一步的安全检查。◆ ~  sb  sth The  decision  occasioned  us  much  anxiety .   这个决定让我们忧虑不堪。