render useless

基本解释

In some cases, the disabled link sets off a small explosion in the warhead to render it useless.
有一些设计，是失去功能的开关会在核弹中发生小的爆炸，致使其失效。
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All the redo logs after the alter database open resetlogs will render useless and will not be good for recovery.
alter database open resetlogs 之后，所有重做日志都将表现为无用，所以它不适合于恢复。
China celebrates it as one of the nation's greatest technological feats. But some experts worry that global warming may render it useless.
中国称其为是一项丰功伟绩，然而，一些专家则担心全球变暖会破坏它。

"Sprint's position on the H Block would render useless 25 percent of DISH's uplink spectrum -- so that Sprint is positioned to merely gain the exact same amount of spectrum, " said Blum.
ENGADGET: Dish's AWS-4 wireless spectrum standards approved by 3GPP
Since the method used to obtain or purchase bitcoin may have revealed certain financial or personal links, it becomes necessary to render the blockchain useless for traffic analysis.
FORBES: TORwallet Sparks Trust Without Jurisdiction Debate
Sources close to the matter also raised doubst that a judgment against Argentina, which could push the country into technical default, would render debt restructurings useless by incentivizing creditors to hold out.
FORBES: Billionaire's Hedge Fund Rebuffs NY Fed In Argentina Case: No Risk To $2.6T Payments System