back door

柯林斯词典

1. ADJ You can use backdoor to describe an action or process if you disapprove of it because you think it has been done in a secret, indirect, or dishonest way. 不正儅的[ADJ n] [表不滿]
Firms are using the programme as a backdoor way to replace domestic employees with cheaper labour. 公司正採取不正儅的策略，用廉價勞工來取代本土員工。
Critics say this amounts to a backdoor amnesty for illegal aliens. 評論家認爲這等於是對非法移民的變相特赦。
2. N-SING If you say that someone is doing something through or by the backdoor, you disapprove of them because they are doing it in a secret, indirect, or dishonest way. 不正儅、秘密的手段['the' N, usu prep N] [表不滿]
The government must not use this initiative as a means of resolving the pension problem through the back door. 該政府絕不可使用這種方式，採取不正儅的措施解決養老金問題。