/tə stæb sʌmb ɪn ðə bæk/ – Phrase
Definition: nói xấu sau lưng, công kích ngầm.
A more thorough explanation: The legal English definition of the phrase “to stab someone in the back” refers to the act of betraying or harming someone, especially a person who trusts you, by secretly doing something to hurt them or undermine their interests.
Example: The act of betraying a business partner by secretly working against them to gain a competitive advantage could be considered as stabbing them in the back.