1.be sure of 确信,有把握
例:I hope you are sure of your facts我希望你能肯定你说的都是事实
2.make sure of 设法保证
例:they scored another goal and make sure of victory.他们又进了一球,以确保得到冠军
3.be sure of / about
对……有把握
1.be sure of 确信,有把握
例:I hope you are sure of your facts我希望你能肯定你说的都是事实
2.make sure of 设法保证
例:they scored another goal and make sure of victory.他们又进了一球,以确保得到冠军
3.be sure of / about
对……有把握