1. She is a helpful girl.
   她是位愿意幫助他人的小姑娘。
2. The teacher gave us a lot of helpful books in maths.
   音樂老師給了我們公司多數語文上帶有有助于的書。
3. It was a helpful thing to do.
   這樣子做是有益健康的。

1. You've been very helpful.
   你幫了有許多忙。
2. She is intelligent, outgoing and helpful.
   她智能、活潑、擅于助人為樂。
3. The book is really helpful, don't you think?
   這一本書的確很實用,不是吧?
4. I always think criticism is helpful.
   我總會認為批判是有用的。

1. He is always very helpful to his mother.
   他對他生母時不時很有幫住。
2. This dictionary is very helpful to your English study.
   這篇詞典下載對你練習英文很有促進。
3. It's helpful to us.
   這于我們影響。

1. Don't throw it, it is helpful for us to repair the bike.
   別扔了它,它是我們修自主車有幫到。
2. It was helpful of you to do that.
   你這種做真實助應為人為樂為樂之舉。

1. You may find this book helpful.
   你就會覺得這課外書很有用嗎的。