1、It is certain that he knows nothing.
他確實什么都不知道。

2、It is certain that the Parthian Kings used a Hyrcanian town as their summer residence.
可以肯定的是，在帕提亞國王用Hyrcanian鎮(zhèn)作為其夏季官邸。

3、As she put it, it is certain that the painting "is not a Jackson Pollock."
正如她所說，可以肯定的是畫“絕對不是杰克遜·波洛克畫的”。

4、It is certain that he can succeed.
他會成功是無疑的。

5、It is certain that he is honest.
他是個誠實的人是確定無疑的。

6、It is certain that we shall succeed.
我們一定會成功。

7、It is certain that they will come next week.
肯定他們下周來。

8、It is certain that man will eventually solve the riddle of UFO.
人類最終將解開飛行物之謎，這是肯定的。

9、It is certain that we call our family to share the enjoyment for the first day.
我們肯定會打電話給我們的家人一起分享這第一天的快樂。

10、It is certain that he will agree with us.
他會同意我們的意見，這是肯定的。

11、It is certain that the epidemic in Georgia is the source of the outbreaks in Armenia, FAO said.
糧農組織指出，在格魯吉亞出現(xiàn)的這一傳染病無疑是亞美尼亞爆發(fā)該病的根源。

12、It is certain that Mr. Black will support your plan.
確定無疑的是，布萊克先生會支持你的計劃。

13、It is certain that he was alive.
肯定他還活著。

14、It is certain that this monastery which had a grand air both as a church and as a seignory.
可以肯定的是，這座修道院既有教堂的氣派，也有修道院的氣派。

15、It is certain that the contents of the Joint Declaration will not change.
聯(lián)合聲明確定的內容肯定是不會變的。

16、It is certain that prices will go up.
物價上漲是肯定的。

17、It is certain that environment influence learning efficiency.
可以肯定的是，環(huán)境影響學習效率。

it is certain that翻譯