他是我最好的最好的朋友。既然他需要我的帮助，我可不能对他置之不理。

He is my best friend. I just can't turn my back on him now that he needs my help.

youdao

我学习了英语已经很多年了，但是我之前都没有机会和外国人说话，上周，我碰巧遇到了一名外国人，我觉得很兴奋，他需要我的帮助。

I have learned English for many years, but I don't have a chance to speak foreigners before, last week, I happened to encounter a foreigner, I felt so excited, he needed my help.

youdao

“我不需要你的任何帮助，”他嘲笑道。

"I don't need any help from you," he sneered.

《柯林斯英汉双解大词典》