double-tongued

The double-tongued politician promised tax cuts to one audience and increased spending to another.

那个言辞矛盾的政客向一群听众承诺减税，又向另一群听众承诺增加开支。

用法提示：形容词修饰 politician，表示其言行不一、欺骗性。

She became wary of her double-tongued colleague, who always agreed with her in meetings but later undermined her plans.

她开始提防那位虚伪的同事，他总是在会议上附和她的意见，事后却暗中破坏她的计划。

用法提示：形容词修饰 colleague，指出其欺骗性行为。

A double-tongued person cannot be trusted with important secrets.

不能将重要秘密托付给一个口是心非的人。

用法提示：形容词修饰 person，强调其不可信赖的特性。