under the pretence of

例句：

1. 1. He was accused of stealing the car under the pretence of being a mechanic.
   他以修车为借口被指控偷了那辆车。
2. 2.She claimed to be sick but was really under the pretence of avoiding an important meeting.
   她声称生病了，但实际上是为了避免参加一个重要的会议。
3. 3. The company's decision to lay off employees under the pretence of cost-cutting was widely criticized.
   公司以降低成本为借口裁员的决定受到了广泛的批评。