duplicity

例句：

1. 1. She is known for her duplicity in the workplace.
   她在工作场所以两面派著称。
2. 2. He was accused of duplicity in his dealings with the company.
   他被指控在与公司的交易中存在不诚实行为。
3. 3. The scandal revealed a duplicity in the administration that had been hidden from public view.
   这一丑闻揭示了政府内部的不诚实行为，这些行为一直隐藏在公众视线之外。