bad apple片語KK [bæd ˋæpəl] /bæd ˈæpəl/發音片語1害群之馬、壞分子口語One bad apple can ruin the mood of the whole team.一個害群之馬就能毀掉整個團隊的氣氛。2敗類、腐敗分子The department blamed the scandal on a few bad apples.該部門把醜聞歸咎於少數幾個敗類。