He played an underhanded trick on me.

他跟我耍了一个卑劣的花招。

What he did was selfish and underhanded.

他所做的，是自私狡猾的。

He's underhanded, you just can't trust him.

他很阴险，你不能相信他。

The store is underhanded in the Christmas season.

该商店在圣诞节期间缺少人手。

Tom had just brokered an underhanded deal with Jerry.

汤姆刚刚和杰瑞进行了一场秘密交易。