1
be helpful to sb
表示对某人有益
This guide is helpful to new students.
这本指南对新学生有帮助。
有帮助的；有益的
先理解核心含义，再看它在真实句子里的用法。
有帮助的；有益的
giving help; useful
This guide is helpful to new students.
这本指南对新学生有帮助。
提供帮助的；给予援助的；有用的。
Furnishing help; giving aid; useful.
提供帮助或发挥有用的功能
providing assistance or serving a useful function
Your advice was very helpful.
你的建议非常有帮助。
This book is helpful for learning Chinese.
这本书对学习中文很有帮助。
She is always helpful when I have questions.
我有问题时她总是很帮忙。
表示对某人有益
This guide is helpful to new students.
这本指南对新学生有帮助。
强调在做某事过程中有用
The tool is helpful in fixing the car.
这个工具在修理汽车时很有用。
表示对某事或做某事有帮助
Regular exercise is helpful for your health.
经常锻炼对你的健康有益。
Not this
This dictionary helpful me.
Use this
This dictionary helps me.
形容词 'helpful' 不能用作动词，应使用动词 'help'。
Not this
The advice is helpful for me.
Use this
The advice is helpful to me.
当表示对某人有帮助时，形容词 'helpful' 后通常接介词 'to'，而不是 'for'，尽管在某些语境中 'for' 也可接受，但 'to' 更标准。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
有用的建议
She gave me some helpful advice on how to improve my resume.
她给了我一些关于如何改进简历的有用建议。
有用的信息
This website provides a lot of helpful information for travelers.
这个网站为旅行者提供了很多有用的信息。
有益的提示
Here are some helpful tips for saving money on your next vacation.
这里有一些关于在下一个假期省钱的有益提示。
有帮助的提示
The teacher gave us a helpful hint for solving the math problem.
老师给我们一个解决这道数学题有帮助的提示。
有用的资源
The library is a helpful resource for students doing research.
图书馆是对做研究的学生有用的资源。
乐于助人的人
He is a very helpful person who always volunteers to assist others.
他是一个非常乐于助人的人，总是自愿帮助别人。
我不是白痴！我很乐于助人！
From the video game Portal 2, said by the character Wheatley.
来自游戏《传送门2》，角色惠特利所说。
Use helpful naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
拆解为“help（帮助）+ ful（充满）”，记忆为“充满帮助的人”，即“有帮助的”。
中性语域，多用于日常交流、学习指导、服务评价等场合，表示某物或某人提供帮助或有用。
These words share the suffix -ful, all pronounced with the same unstressed /fəl/ ending, making them perfect rhymes with 'helpful'.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.