have someone's blood on your hands
US /hæv ˈsʌm.wʌnz blʌd ɑn jʊər hændz/
UK /hæv ˈsʌm.wʌnz blʌd ɑn jʊər hændz/

1.
手上沾有某人的血, 對某人的死負責
to be responsible for someone's death, especially due to negligence or direct action
:
•
If the company doesn't fix these safety issues, they'll have someone's blood on their hands.
如果公司不解決這些安全問題,他們將要為某人的死負責。
•
The dictator had the blood of thousands on his hands.
這位獨裁者手上沾滿了成千上萬人的鮮血。