foolproof

ADJ 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. 不出問題的; 不會弄錯的 ^[1] 

foolproof verification 完善的核查

Asked Foolproof 要求萬無一失

foolproof circuit 防止誤操作電路

foolproof device 保險裝置

Foolproof Plan 簡單計劃

foolproof f 容易懂的

foolproof system 萬全辦法

foolproof design 極安全設計

foolproof interconnection 防止錯誤操作的互連接法 ^[1] 

The system is not 100 per cent foolproof.

該系統不是百分之百不出毛病的。

This recipe is foolproof—it works every time.

這個食譜絕對管用，每次都萬無一失。

The treatment will be tried out on human beings only after it has been shown to be safe and foolproof in animals.

該療法只有在動物身上證明安全、萬無一失後才會在人體上試用。 ^[1]