in·dis·cre·tion /ˌɪndɪsˈkrɛʃən/
  欠詳慮,不慎重,輕率
  In·dis·cre·tion n.
  1. The quality or state of being indiscreet; lack of discretion; imprudence.
  2. An indiscreet act; indiscreet behavior.
     Past indiscretion is a venial crime.   --Cowper.
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  indiscretion
       n 1: the trait of being injudicious [syn: injudiciousness]
       2: a petty misdeed [syn: peccadillo]