“helpful” 是英语中常用形容词,核心含义为 “有帮助的;有用的;乐于助人的”,主要用来描述人、事物或建议等能提供支持、解决问题或带来便利,以下结合具体用法、搭配和例句详细说明,方便理解和运用:
一、核心含义细分
描述事物 / 信息:“有用的;有帮助的”(能满足需求、解决问题)例:The guidebook is very helpful for tourists visiting the city.(这本旅行指南对来这座城市的游客很有用。)例:Her advice on job hunting was extremely helpful.(她关于求职的建议非常有帮助。)
描述人:“乐于助人的;热心的”(愿意主动提供帮助)例:He’s a very helpful neighbor—he always lends a hand when we need it.(他是个非常热心的邻居,我们需要时他总会伸出援手。)例:The teacher is patient and helpful, so students like to ask her questions.(这位老师耐心又乐于助人,所以学生们喜欢问她问题。)
二、常见搭配(高频实用)
修饰名词:helpful + 名词(直接修饰人或事物)如:helpful tips(实用的小贴士)、helpful tools(有用的工具)、helpful colleague(乐于助人的同事)。例:I found some helpful videos about cooking online.(我在网上找到了一些有用的烹饪视频。)
与系动词搭配:be + helpful(作表语)例:This app is really helpful for learning vocabulary.(这个应用对记单词真的很有帮助。)例:Is this dictionary helpful to you(这本词典对你有帮助吗?)
固定搭配:be helpful to sb.(对某人有帮助)、be helpful in doing sth.(在做某事上有帮助)例:The new software is helpful to our work efficiency.(这款新软件有助于提高我们的工作效率。)例:Taking notes is helpful in remembering what the teacher says.(记笔记有助于记住老师讲的内容。)
三、语境拓展例句
学习场景:Using flashcards is helpful for memorizing English words.(用闪卡记英语单词很有帮助。)
生活场景:A map is helpful when you’re lost in a new place.(在陌生地方迷路时,地图很有用。)
职场场景:The training course was helpful for improving our communication skills.(这个培训课程对提升我们的沟通能力很有帮助。)
四、派生词与反义词
派生词:help(动词 / 名词,“帮助”)→ helpful(形容词)→ helpfully(副词,“有帮助地”)→ helpfulness(名词,“乐于助人;实用性”)
例:She explained the problem helpfully.(她有帮助地解释了这个问题。)
反义词:unhelpful(无帮助的;不愿帮忙的)
例:His negative comments were unhelpful and demotivating.(他的负面评价毫无帮助,还让人泄气。)