aid, assist, help的用法区别
一、aid的用法
aid为正式用词，主要指帮助他人脱离危险或战胜困难，侧重强者对急需帮助的弱者的帮助。如：
I aided him with money. 我资助了他。
I aided her to continue her research. 我帮助她继续她的研究。
A good dictionary can aid language learning. 一部好词典有助于语言学习。
二、assist的用法
assist 强调在提供帮助时，以受助者为主，所给的帮助起第二位或从属的作用。如：
They assisted in building the house. 他们帮助盖这栋房子。
Can I assist you with those parcels? 我可否帮助你拿那些包?
We shall assist them in their difficulty. 我们将帮助他们克服困难。
John had come home to assist his father. 约翰回家来帮助他的父亲。
The nurse assisted the doctor in the operating room. 护士在手术室帮助医生。
三、help的用法
help 最普通用词，含义广泛。指一般性的或迫切需要的帮助，侧重积极地为他人提供物质、精神或其他方面的帮助。如：
She might be able to help us. 她有可能帮我们的忙。
We started to try and help them. 我们设法帮助他们。
If he will help us, so much the better. 如果他能帮助我们，那就更好了。
He was always ready to help handicapped people. 她经常乐于帮助残疾人。
By helping them we are helping to save ourselves. 靠帮助他们来帮助我们拯救自己。
Good posture also helps your bust look bigger. 姿势对也可使你的乳房显得大一些。
You could have helped me why did you just sit and watch? 你本可帮助我的，为什么只坐在一旁瞧着?
