When you offer to help someone, you are asking your co-worker if they want to give you some of their work. Here are a couple of ways you can offer some help. 

当你主动帮助别人时，你是在问你的同事是否想给你一些他们的工作，这里有一些你可以提供帮助的方法。

"I finished my project already so I have extra bandwidth. Let me know if you need help with anything." 

我已经完成了我的项目，所以我有额外的时间，如果你需要帮助请告诉。

Bandwidth is usually used as a networking terminology. But in this context, it means having extra time. 

“Bandwidth”通常被用作网络术语。但在这种情况下，这意味着要有额外的时间。

"You're doing the analysis on ABC Company? I did that last year. If you need any help, just let me know." 

你在给ABC公司做分析吗?我去年做过，如果你需要帮助就跟我说 。

"I'm pretty familiar with your project so if you have any questions, feel free to ask me." 

我对你的项目很熟悉，所以如果你有任何问题，随时问我。

Asking for help is a little more difficult. You will have to see what the work environment is like and what type of relationship you have with your co-workers. 

寻求帮助有点困难，你必须了解你的工作环境是什么样的，并且你和你的同事之间的关系是什么样的。

"I'm having trouble implementing Plan A on ABC Company. Can you look at my work and see if I am missing a step?" 

我在ABC公司的执行计划上遇到了麻烦，你能看一下我做的吗，看看我是否错过了一个步骤?

"Can you help me analyze the finance data? This is my first time and I don't want to screw it up."

你能帮我分析一下财务数据吗?这是我第一次做这个，我不想搞砸了。

"Do you have a few minutes to help me with the data migration tool? I can't figure it out." 

你有几分钟的时间来帮我处理数据迁移工具吗?我想处理不了了。