ADJ-GRADED (计划、机器等)十分简单的,容易操作的,万无一失的 Something such as a plan or a machine that is foolproof is so well designed, easy to understand, or easy to use that it cannot go wrong or be used wrongly. (计划、机器等)十分简单的,容易操作的,万无一失的
The system is not 100 per cent foolproof.
这个系统并非是万无一失。
I spent the day working out a foolproof plan to save him.
VERBS | ADVERBVERBS➤be, seem連傻子都會;似乎連笨蛋都會▸➤make sth使⋯極為簡易◇We're trying to work out a way to make the system foolproof.我們正努力想辦法使這個系統簡單易操作。ADVERB➤absolutely非常簡單▸➤nearly, virtually相當簡單;差不多連傻子都會◇The system is virtually foolproof.這個系統幾乎人人都會用。