您要查找的是不是：
- I'm not sure whether to resign or stay on. 我拿不準主意是辭職還是留任。
- I think this is their house but I'm not sure. 我想這是他們家，但不敢肯定。
- The thing of luminescence is not sure all gold. 發(fā)光的東西未必都是黃金。
- She is not sure of his answering her letter. 她無(wú)法確定他是否會(huì )回信給她。
- I'm not sure whether our team will win. 我不能肯定我隊是否能贏(yíng)。
- I'm not sure about the practicality of that suggestion. 我還無(wú)法確定那個(gè)建議的可行性。
- I'm not sure you're right about the result of the coming contest. 我不能肯定你對即將到來(lái)的比賽的結果的預測是正確的。
- I'm not sure if our book will be a success it's early days yet. 我們這本書(shū)是否受歡迎，我沒(méi)有把握－－現在言之過(guò)早。
- Jean: I'm not sure, Billy. I feel dizzy and nauseated. 琴：我不確定，比利，我感覺(jué)昏眩作嘔。
- I'm not sure that his business is strictly legitimate. 我說(shuō)不好他的生意是否全部合法。
- I'm not sure whether to pass him or fail him; he's a borderline case. 我拿不定主意給他及格還是不及格，他處于兩可的情況下。
- I'm not sure whether I have locked the door. 我沒(méi)把握是否鎖了門(mén)。
- I am not sure you are correct about that. 我不能肯定你在這件事上是對的。
- I'm not sure I know how to compile a dictionary. 恐怕我不會(huì )編詞典。
- I'm not sure if it's safe to bathe in his pond. 我不敢肯定在這個(gè)池塘里洗澡是否安全。
- I am not sure when he is leaving. 我不能肯定他什么時(shí)候走。
- I think he will agree, but I am not sure. 我想他會(huì )同意，但我沒(méi)有把握。
- We are not sure yet. Probably in St.Albans. 還說(shuō)不準兒，也許是在圣奧爾本教堂舉行。
- He is either a clerk or a worker. I am not sure. 他不是職員便是工人。我不大清楚。
- I am not sure I agree with you. It is not too bad. 我不敢說(shuō)同意你的意見(jiàn)。這部電影并不太糟。
