Definition
To act maliciously towards someone, attempting to harm or undermine them.
數落或中傷某人
During the meeting, he took the opportunity to criticize my proposal, clearly trying to put the knife into me.
在會議期間，他趁機批評我的提案，明顯是想中傷我。
Their rivalry is so intense that they often try to put the knife into each other behind their backs.
他們的競爭如此激烈，以至於他們經常在背後試圖中傷對方。
Although they appear to be friends, he's always trying to put the knife into her in front of others.
雖然他們看起來是朋友，但他總是在別人面前試圖中傷她。