Definition
To make critical or insulting remarks, especially towards an opponent.
詹語漆責，出言不道德（尤指對對手）
Before the game, both teams were talking smack to each other.
比賽前，兩支隊伍互相放狠話。
He always likes to talk smack about others, which is not friendly.
他總是喜歡說別人的壞話，這很不友善。
Stop talking smack and focus on doing your job.
別再胡說八道了，專心做好你的工作。