单词：be sure that
确信..., 肯定...
be sure that的用法和样例：
例句
- It's definite that he'll be late again.他肯定又要迟到。
- I'm sure I don't deserve so much praise.我肯定自己不值得这么多赞扬。
- I was convinced that he knew the truth.我确信他知道事实。
- I am sure we shall be very comfortable.我确信我们会很舒适的。