5個以proof為後綴的單詞

This recipe is foolproof ─ it works every time.

這個食譜絕對管用，每次都萬無一失。

The system is not 100 per cent foolproof

這個系統並非是萬無一失。

I spent the day working out a foolproof plan to save him.

我花了一天的時間想出了一個營救他的周全方案。

Always ensure you have a foolproof way to get paid.

永遠確保你拿得到錢。

This new system is supposed to be foolproof.

據説這個新系統不會出毛病。