in cold blood

US /ɪn koʊld blʌd/
UK /ɪn koʊld blʌd/
"in cold blood" picture
1.

冷血地, 殘忍地

without emotion or pity; deliberately and cruelly

:
The crime was committed in cold blood, showing no remorse.
這起罪行是冷血地犯下的,沒有表現出任何悔意。
How could someone kill an innocent person in cold blood?
一個人怎麼能冷血地殺死一個無辜的人?