use形容詞 adj
1.確信的,有把握的
I'm not sure whether our team will win.
我不能肯定我隊是否能贏.
We are sure of his innocence.
我們確信他是無辜的.
2.一定的,必定的
She is sure to write to you.
她一定會給你寫信的.
3.確實的;可靠的
One thing is sure, he won't let you down.
有一點是確定的,那就是他不會讓你失望.
Exercise is a sure way of losing weight.
運動是減肥的可靠辦法.
certain 作adj
1.確鑿的,無疑的;可靠的
2.確信的,有把握的;一定會的
They are certain to succeed. (They are certain of success.) (They are certain that they will succeed.)
他們確信會成功.
I'm quite certain of that.
對那事我完全可以肯定.
I was certain that he had seen me.
我肯定他已看見了我.
3.某,一位姓...的(人)
A certain person called on you yesterday.
昨天有個人來拜訪過你