日常口语用语“确定一定以及肯定”这么表达才地道

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　　1. Absolutely!/ Definitely!

　　日常口语用语：那当然!

      2. It's certain.

　　那是必定的。

　　3. It's for sure! / Sure thing!

　　那是一定的!

　　4. You bet! / You betcha! / You bet your life!

　　我可能打包票!

　　5. No doubt! / There's no doubt about it!

　　毫无疑难!

　　6. It's in the bag.

　　已经是囊中之物了。(缘木求鱼、跑不掉的日常口语用语。)

　　7. It's settled. / It's set in stone.

　　已经定案了。

　　8. It's a done deal. / It's a dead cert!

　　已经定案了。

　　9. Sorted!

　　搞定!(英式俚语的日常口语用语)