foolproof
US /ˈfuːl.pruːf/
UK /ˈfuːl.pruːf/
形容词
1.
万无一失
(of a plan or machine) so simple and easy to understand that it is unable to go wrong or be used wrongly:
示例:
•
I don't believe there's any such thing as a foolproof system for making money.
在 Lingoland 学习这个单词