helpful動詞形式: helpHe is always very helpful to his mother .他一向都是他母親的得力幫手。
This new dictionary is very helpful to me .對我來說這本新詞典很頂事。Our old gentleman is helpful and sound .我們這位老先生很合作,很明智。You will find both of them most helpful .你會發(fā)現(xiàn)他們兩人都是挺有用的。You might find a great many helpfulsuggestions .你會得到許多有益的啟迪。