n.[C]
    
      - 鏈,鏈條;項圈
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The dog was fastened to a post by a 
chain.
那條狗被鏈條拴在柱子上。
 
      - 一連串,一系列;連鎖,連續[(+of)]
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The traffic accident led to a 
chain of events.
交通事故引起了一連串的事件。
 
      - 連鎖店,聯號(chain store)
 
      - 拘禁;束縛;枷鎖,鐐銬[P1]
 
      - 【測】測鏈
 
      - 【紡】經紗
 
      - 【電】電路
 
    
    vt.
    
      - 用鎖鏈拴住;拘禁;束縛[O]
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He 
chained his dog to a post.
他把狗拴在柱子上。
 
    
   
  片語
  
    A chain is no stronger than its weakest link.
    
      - 一環薄弱,全局必垮。
 
    
   
  辨析
  
 
  n.
    - a connected flexible series of metal links used for fastening, pulling, etc., or in jewellery. 
▸a restricting force or factor.
 - a sequence of items of the same type forming a line. 
▸a series of connected things:
 a chain of events.
  ▸a group of hotels, shops, or restaurants owned by the same company.
 ▸a part of a molecule consisting of a number of atoms bonded together in a linear sequence.
 - a jointed measuring line consisting of linked metal rods. 
▸the length of this (66 ft).
 - 
(chains)
 a structure projecting horizontally from a sailing ship's sides abreast of the masts, used to widen the basis for the shrouds.
 
v.
 fasten, secure, or confine with a chain.
 
  Etymology
  ME: from OFr. chaine, chaeine, from L. catena ‘a chain’.