backstabbing
01
背后捅刀子的, 背叛的
being dishonest and betraying someone behind their back, without them knowing
例子
The workplace environment became toxic due to the backstabbing and gossiping among colleagues vying for promotions.
由于同事之间为了升职而进行的背后捅刀和八卦，工作环境变得有毒。
