helpful
翻译
有帮助的, 有用的, 乐于助人的
例句
Your advice was very helpful.
你的建议很有帮助。
The staff were friendly and helpful.
工作人员很友好，乐于助人。
语法模式
((to be)) helpful ((to sb.)) 对（某人）有帮助 Your advice was very helpful to me.
((to be)) helpful ((for sth. / to do sth.)) 对（做某事）有帮助 A map is helpful for finding the way.
近义词
同义词: useful, supportive; 反义词: unhelpful, useless
词源
源自“help”（帮助）+ 后缀“-ful”（充满……的）。因此，意为“充满帮助的”。
记忆技巧
想象一个能提供“满满”“帮助”的人或物。