最佳答案檢舉feel sure= be sure確信
make sure 弄明白,查明白
make sure of 盡力做到,將...弄明白,保證
sure about對.確信的
sure of確信...的
sure of oneself 有自信心
be sure of sth / doing sth確信
eg. Can I be sure of a profit if I invest?
我要是投資, 肯定能獲利嗎?
be sure to do 肯定,一定會
He is sure to go there if he is free tomorrow.
如果他明天有空,他一定會去那里的.
be sure that(that可以省略) + 從句確信
eg. When you start the engine, be sure that the car is in neutral.你在發(fā)動引擎時,一定要讓汽車處于空檔.
注意
sb be sure that + 從句 是正確的
沒有It be sure that + 從句
用的時候要當心
eg. He is sure that his students will pass the exam.
他確信他的學生會通過考試的.