1、…是不可能的; 无法…

there is no ving= there is no way of ving。= there is no possibility of ving。= it is impossible to v。= it is out of the question to v。= no one can v。= we cannot v。

2、我深信…

i am greatly convinced (that)子句= i am greatly assured (that)子句

3、…是很容易证明的。

it can be easily proved (that)子句

4、…无论如何强调都不为过

… cannot be overemphasized

5、就我的看法…;我认为…

in my opinion，…= to my mind，…。= as far as i am concerned，…= i am of the opinion that子句