a foolproof detonator; a foolproof safety lock.
十分安全的炸彈；傻瓜也可打開的保險鎖
a foolproof security system.
人人會用的安全系統。
his so-called foolproof method (not “foolproof method” ).
他的所謂的不會有差錯的辦法（不是用 “foolproof method” )
The system is pretty well foolproof.
這個系統相當容易使用。
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。
a foolproof detonator; a foolproof safety lock.
十分安全的炸彈；傻瓜也可打開的保險鎖
a foolproof security system.
人人會用的安全系統。
his so-called foolproof method (not “foolproof method” ).
他的所謂的不會有差錯的辦法（不是用 “foolproof method” )
The system is pretty well foolproof.
這個系統相當容易使用。
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。
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