Can you make time for me? I need help with this. 你现在有时间吗？我需要帮助。

　　We've got to get help. Go and call some people! 我们得找人帮忙了。去叫几个人来帮忙！

　　Do you want help or not? 你需不需要帮忙？

　　I need help setting up the computer.  装电脑需要人帮忙。

　　I'll give you a hand after lunch.  我吃完午饭帮你看看。