I'm not sure she believes me. She probably just thinks I've gone off the deep end. 我不确定她是不是相信我。她可能只是觉得我神志不清了。 I'm not sure whether I should tell you this. 我拿不准该不该把这事告诉你。 I'm not sure that this is the most valuable use of my time. 我不能肯定我的.时间这样来安排最有价值。 I think this is their house, but I'm not sure. 我想这是他们家，但不敢肯定。 One should never criticize if one is not sure of one's facts. 一个人如果对自己掌握的事实没有把握，就绝不该随便批评。 上一篇：busy的名词形式啥意思 下一篇：河南有哪些专科医学院 |