区别辨析concrete与specific

这两个形容词均含“具体的”之意。

concrete : 指通过感官能看到、听到、触到的具体东西。其反义词是abstract。

• They think she killed her husband, but they have no concrete evidence.
  他们认为她杀死了自己的丈夫，但是没有确凿的证据。
• We have a general idea of what we want, but nothing concrete at the moment.
  我们对需要什么有个大致的想法，可是具体的东西目前还没有想好。
• concrete evidence/proposals/proof
  确凿的证据；具体的建议；确实的证明
• ‘It’s only a suspicion,’ she said, ‘nothing concrete.’
  “那只是怀疑，”她说，“没有任何确实的依据。”
• It is easier to think in concrete terms rather than in the abstract.
  结合具体的事物来思考要比抽象思考容易些。

specific : 侧重指具体的细节，是与general（一般），vague（模糊）相对的具体。

• No specific allegations have yet been made about the prison officers’ behaviour.
  对于典狱官的行为，尚未作出明确的指控。
• Can you be more specific about where your back hurts?
  你能不能更具体一点说你的背哪里疼？
• I gave you specific instructions.
  我给过你明确的指示。
• ‘I’d like your help tomorrow.’ ‘Can you be more specific (= tell me exactly what you want) ?’
  “我想让你明天来帮帮我。”“你能不能说得具体些？”