英文释义?

　　(INFORMAL)?To?exchange?clever?but?severelycritical,?sometimes?rude?remarks?in?a?debate?withan?opponent.

　　例句?

　　EXAMPLE:?The?two?rivals?on?our?board?of?directorsoften?like?to?trade?barbs?at?private?companymeetings.

　　我们董事会上的两个对头经常在公司内部会议上唇枪舌剑地交锋。