in cold blood
US /ɪn koʊld blʌd/
UK /ɪn koʊld blʌd/
1.
冷血地, 残忍地
without emotion or pity; deliberately and cruelly
:
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The crime was committed in cold blood, showing no remorse.
这起罪行是冷血地犯下的，没有表现出任何悔意。
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How could someone kill an innocent person in cold blood?
一个人怎么能冷血地杀死一个无辜的人？