help的用法：

(1).vt.帮助,通常用help ***.with sth.或help ***.(to) do sth.形式.如：

Can I help?要我帮忙吗?

Can I help you?我能为你效劳吗?(向顾客主动提供帮助时的用语,与上一句在语境、功能上不一样.)

Would you like me to help you?要我帮忙吗?

We are going to help Mrs.Li (to) clean the house.我们要去帮李太太打扫房间.

They helped me with my lessons yesterday.昨天他们帮我做功课.

(2).vt.敬(客人),给……夹菜(或斟饮料等),如：

May I help you to some more fish?再吃些鱼好吗?

Please help yourself to the fruit.请吃水果。