janus-faced

Her janus-faced behavior at work—friendly with colleagues but rude to subordinates—made everyone distrust her.

用法提示：形容词作定语，描述言行不一致的两面派行为。

The politician's janus-faced promises angered voters when he broke them after the election.

用法提示：形容词作定语，形容虚伪、欺骗性的承诺。

A janus-faced agreement might seem beneficial now, but its hidden terms could cause problems later.

用法提示：形容词作定语，比喻协议具有欺骗性的双重性质。