大家都搜：
当然，当然
1、certain situations───确定的情况
2、certain extent───一定程度；某种程度
3、certain───pron.某些；某几个；n.(Certain)人名；(葡)塞尔塔因；(法)塞尔坦；adj.某一；必然的；确信；无疑的；有把握的
4、certain level───某一水平
5、certain n───确定n
6、certain criteria───特定标准（criteria是criterion的复数形式）；某些标准（criteria是criterion的复数形式）
7、sure───adv.当然；的确；adj.确信的；可靠的；必定的；n. (Sure)（法、印、美、德）休尔（人名）；int.当然
8、certain field───特定领域
9、certain standards───某些标准
1、No one knows for sure [certain] what happened to her.───没有人确切地知道她出了什么事。
2、He wasn't sure [certain] whether he would be able to get back in time.───他不能肯定他是否能准时回来。
3、Nobody knows for sure and certain, said Martha.───没有人确切知道。”玛莎说。
4、was a question of making sure certain needs were addressed, notably in the pensions area.───问题是确保满足某些需求，尤其是养老金这块儿。
5、Please make sure(certain)that the house is properly locked.───请务必把房子锁好。
6、sure, certain, glad, please, happy, sorry, afraid, satisfied, surprised He is glad that Li Ming went to see him when he was ill.───他很高兴在他生病的时候李明能去看望
7、Sure certain and affirmation, I already fell in love with you.───确定一定以及肯定，我已经爱ShangNi。
8、We are all warned against thinking in terms of trends that correspond with decades, but this one is a cinch(for sure, certain).───我们都被告诫不要认为每十年都有相应的趋势，但这十年的趋势是肯定无疑的。
9、"You've got to make sure certain people don't get all the attention, " Rudder said.───你会确信某些人不会得到所有的注意，“鲁德尔说。”
1、They made sure/certain they weren't late.
2、Sure certain and affirmation, I already fell in love with you.
3、I'm sure/certain they'll be late.
4、It was a question of making sure certain needs were addressed, notably in the pensions area.
5、They're sure/certain to be late.
6、One thing was sure/certain: they'd be late.
7、You have to book early to be sure/certain of getting a room.
8、Are you sure/certain you locked the door?
9、We must make sure/certain we arrive on time.