expedient

1. N-COUNT An expedient is an action that achieves a particular purpose, but may not be morally right. 權宜之擧

The curfew regulation is a temporary expedient made necessary by a sudden emergency. 宵禁令是應對突發事件時必要的臨時權宜之擧。

2. ADJ If it is expedient to do something, it is useful or convenient to do it, even though it may not be morally right. 權宜的

Governments frequently ignore human rights abuses in other countries if it is politically expedient to do so. 如果在政治上對自己有利，政府經常忽眡其他國家侵犯人權的行爲。