I'd say……我要說……
It might……也許……
It could be……可能是……
It looks like……看起來像……Perhaps……興許……
Maybe……也許……
It's difficult to say, but I'd guess that……很難說,但是我猜……I’m not really sure, but I think that……我不太確定,但我覺得……There are about 500 words on the list.單子上大約有500個字。
There are approximately 50 people in my class.班上大概有50個人。
Research indicates up to 50%increase in sales.研究表明銷售增長超過了50%。
It's kind of a……它是一種類似于……It’s the type of……它是種……
To me it seems as if……對我來說好像……I think we’d better……我想我們最好……
It might be better if……如果……可能會更好。
Do you think……?你覺得……?
I'm not certain, but……我不肯定,但是……
It is definitely……那絕對是……
You'd better believe that……你最好相信……I bet that……我敢打賭……
I'm sure that……我肯定……
Beyond a doubt……毫無疑問……
I have no doubt that……我深信……
There's no question that……毋庸置疑……