foolproof
例子
The step-by-step instructions provided a foolproof method for assembling the furniture.
分步说明提供了组装家具的万无一失的方法。
The new security system was touted as foolproof, ensuring no unauthorized access.
新的安全系统被吹捧为万无一失，确保未经授权的访问。
to foolproof
01
使万无一失, 确保简单有效
to make something so simple or effective that it is impossible to fail
例子
The engineers foolproofed the design to ensure it was easy to operate.
工程师们防错了设计，以确保它易于操作。
She foolproofed her presentation by rehearsing it multiple times.
她通过多次排练使她的演讲万无一失。
