tap * up +
私下或違法接觸職業足球隊員來遊說他們跳槽
He was being tapped up by Real Madrid. (皇家馬德里隊正私下遊說他跳槽)
taper off
逐漸變小;逐步減弱
His voice tapered off as Jeff realized everyone was listening. (當傑夫意識到大家都在聽時,他的聲音就越來越小了)
Sales have gradually tapered off. (銷售額逐漸下滑)
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