helpful的用法：helpful作为形容词，含义为“有用的”、“有益的”、“有帮助的”、“愿意帮忙的”，后面可接介词for、in或to，固定搭配为helpful for sb to do sth，或者helpful in doing sth，helpful to sb。
helpful的中文意思及用法介绍
helpful作为形容词，意为有用的;有益的;有帮助的;愿意帮忙的。例句有：
1、It would be helpful for me to see the damage for myself.
要能亲眼看看造成的破坏会对我有所帮助。
2、I called the police but they weren't very helpful.
我叫了警察，但他们不太肯帮忙。
3、A predominantly liquid diet for a day or two may be helpful...
一两天里主要吃流质食物可能会有好处。
4、I called the police but they weren't very helpful.
我叫了警察，但他们不太肯帮忙。
5、You'll find it helpful to talk things over with a friend.
把情况和朋友详细聊一聊，你会觉得大有帮助。
6、The booklet should be very helpful to parents of disabled children.
这本小册子对于残疾儿童的父母会很有用。
7、You'll find her very helpful ─ if she's not too busy, that is.
你会觉得她很肯帮忙，那是说如果她不太忙的话。
8、The following information may be helpful to readers.
下列信息可能对读者有用。
9、Exercise, fresh air, and good posture are all helpful
锻炼、新鲜空气和好的坐立姿势都很有益。
10、An A to Z of careers gives helpful information about courses.
按字母顺序排列的职业大全提供了有助于课程选择的信息。
