1、In proof of this theory, I shall make certain studies.
為了證明這一理論,我將進行某些研究。

2、We must make certain that they can come.
我們一定要搞確實他們是否能來。

3、authorizing subordinates to make certain decisions.
作某些決定的被批準的下屬。

4、Please make certain of the date of the meeting.
請把開會的日期弄清楚。

5、In order to make certain that the letter was delivered, he registered it.
為了確保這封信寄到，他便把它掛了號。

6、He got up at six so as to make certain of being in time.
他六時起床以確保準時。

7、He stood up and looked round to make certain where they were.
他站起來向周圍望了一下以便弄清他們是在哪里。

8、I want to make certain of the time of his arrival.
我想確切知道他到達的時間。

9、To get ahead, one must work hard and be willing to make certain sacrifices.
一個人要有所進步，就必每努力工作，而且甘愿做出某些犧牲。

10、Make certain where we are going.
要弄清楚我們是在往哪兒走。

11、We are prepared to make certain concessions.
我們準備做出某些讓步。

12、I am prepared to make certain concessions.
我準備做某些讓步。

13、He stood up and looked round to make certain of his bearings.
他站起來向周圍望了一下以弄清方向。

make certain翻譯