The sly salesman hid the extra fees in the contract's fine print.

那個狡猾的業務員把額外費用藏在合約的小字裡。

Customers complained about the sly tactics the call center used to upsell plans.

顧客抱怨客服中心用狡猾的手法推銷升級方案。

Our manager warned us about a sly supplier who kept changing shipping terms.

經理提醒我們留意一個狡猾的供應商，他一直更改運送條款。