?肯定

... supply with/to 供给,供应,满足(需要),补足 sure of 肯定的,确信的;可靠的,稳当的;一定的,必然的 make sure 查明,弄确实 ...

?确信

... superior to优于；胜过 sure of确信 surprised at对…吃惊 ...

?对

... suspicious of 怀疑 sure of /about 对。。。有信心，确信 typical of 是典型的，特有的 ...