help sb. out 帮助某人克服困难，渡过难关、解决问题、完成工作。
When I'm in trouble, he always helps me out with money.
每当我处境困难时，他总是用金钱帮助我渡过难关。
Please help me out with this problem.请帮我解这道试题。
with the help of 在……帮助下。
With the help of her, he found his lost child.
在她的帮助下，他找到了失踪的小孩。
help sb. with sth. 帮助某人做某事。
Please help me with my French.请帮我学法语。
Can you help him with this work ?你能帮助他完成这项工作吗?
help to do sth. 有助于做某事。
This program helps to improve our English.
这个计划有助于我们提高英语成绩。
His speech helps to understand the policy.
他的演讲有助于理解这个政策。