I can tell you that the prices of cars are a bit high. 我跟你說,汽車的價格有點高。
I can tell you what he's going to find. 我可以告訴你他會找到什么。
I can't tell you how sorry I am. 真不知道怎么表達我的歉意。
I really need to make some money fast. 我非常需要一些救濟的錢。
I can't tell you how to make money. 我可不能告訴你怎么賺錢。