a sure card的用法和樣例：
例句
- We hold a sure card to be practicable.
我們認為萬全之策是切實可行的。 - The Japanese war lords had looked for a certainty.
日本軍閥要想尋求萬全之策。 - He is a man whom you can depend on.
他是個你可以信賴的人。 - We must find a reliable person to deal with it.
我們必須找到一個可以信賴的解決這個問題的人。
詞匯搭配
- play a sure card 采用可靠的計劃...
