help的形容词是helpful、helpless。例句：She is a helpful girl.她是位乐于助人的姑娘。例句：Girls just love helpless animals.女孩子就是喜欢无助的动物。
help例句
1.We try to help all students realize their full potential.
我们努力帮助所有的学生充分发挥他们的潜力。
2.In case you should need any help, here's my number.
万一你需要帮助的话，这是我的电话号码。
3.Give me one good reason why I should help you.
我为什么要帮你？给我一个充分的理由。
4.You've been a great help, I must say.
依我看，你真是帮了个大忙啊。
5.It's a good job you were there to help.
幸亏你来帮忙。