The wily negotiator convinced the supplier to lower prices without offering anything in return.

那位狡猾的談判代表說服供應商降價，卻沒有給出任何回報。

Our sales team lost the contract to a wily competitor who undercut every bid.

我們的業務團隊把合約輸給了一個每次都壓低報價的狡猾競爭對手。

Customer service staff are trained to spot wily callers trying to obtain refunds fraudulently.

客服人員受過訓練，能識破企圖詐領退款的狡猾來電者。