iro·ny /ˈaɪrəni ||ˈaɪ(ə)rni/
  反諷,諷剌,諷剌之事
  I·ron·y a.
  1. Made or consisting of iron; partaking of iron; iron; as, irony chains; irony particles; -- In this sense iron is the more common term. [R.]
  2. Resembling iron in taste, hardness, or other physical property.
  I·ron·y n.
  1. Dissimulation; ignorance feigned for the purpose of confounding or provoking an antagonist.
  2. A sort of humor, ridicule, or light sarcasm, which adopts a mode of speech the meaning of which is contrary to the literal sense of the words.
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  irony
       n 1: witty language used to convey insults or scorn; "he used
            sarcasm to upset his opponent"; "irony is wasted on the
            stupid"; "Satire is a sort of glass, wherein beholders
            do generally discover everybody's face but their
            own"--Johathan Swift [syn: sarcasm, satire, caustic
            remark]
       2: incongruity between what might be expected and what actually
          occurs; "the irony of Ireland's copying the nation she
          most hated"
       3: a trope that involves incongruity between what is expected
          and what occurs