back door

基本解釋

Or will the required “stress test” act as a back-door route to temporary bank nationalization (the solution favored by a growing number of economists, myself included)?
而那些強制性的“壓力測試”是否會成為通往暫時性的銀行國有化的后門？
By propping up the region’s weaker banks and buying its more indebted economies’ sovereign debt, the ECB could engineer a back-door bail-out of the euro zone’s periphery.
通過支持區(qū)域內居于劣勢的銀行以及購買更多負債經濟體的外債，歐洲央行可以為歐元區(qū)的外圍設計一個作弊式的應急措施。
Therefore, the Obama administration won't make tough public responses, but will continue to observe and carry out back-door diplomacy by imposing pressure behind the scene.
針對他的舉動，奧巴馬政府不會公開強硬回應，而是會繼續(xù)觀察并開展悄悄外交，采取幕后施壓的方式。
eng.chinamil.com.cn

Indeed, the State Department is running its own back-door appeasement operations with the hated regime.
CENTERFORSECURITYPOLICY: khamenei2
By the early 2000s, many Chinese executives would bristle at the talk of corruption and back-door practices.
FORBES: Understanding China's Leadership Transition
Critics counter that CAFTA will undermine certain U.S. industries and serve as a back-door to more Chinese imports.
CENTERFORSECURITYPOLICY: The national security case for CAFTA

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.
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.

背門
From the results of the static state and the dynamic state analysis, it reflectsthe stress concentration the corner of door plate,and these lead to the problem onthe back door. So we make sure the design of the product is unreasonable.
通過對背門的強度、剛度、模態(tài)分析,確定應力集中區(qū)域,發(fā)現結構剛度薄弱部位,掌握前幾階固有頻率,驗證結構設計的合理性。
體育
(球穴的)后部，邊側