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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的含义及固定短语
helpful作为形容词，意为有用的;有益的;有帮助的;愿意帮忙的。
Very helpful非常有帮助 ; 很有帮助 ; 有帮助的
helpful secrets有帮助的秘密 ; 有助于保密 ; 有用的秘密
peptidoglyca helpful肽聚糖
Being Helpful乐于助人 ; 广州开心英语 ; 感到害怕
sca helpful细看 ; 扫描
Carsla helpful卡姿兰
JPMorga helpful摩根大通
Kukulca helpful库库尔坎
paijia helpful仿由派件网
helpful的用例句
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。