Definition
To betray someone who trusts you by harming them, often secretly.
在某人背後做出傷害其信任的行為，尤指背叛。
She never imagined her best friend would stab her in the back for a promotion.
她從未想過她最好的朋友會為了升職在背後捅她一刀。
He felt betrayed by his business partners, who had stabbed him in the back.
他感到被他的商業夥伴背叛了，他們在背後捅了他一刀。
Politicians are often accused of stabbing each other in the back to gain power.
政治家經常被指責為了獲得權力而在背後捅對方一刀。