They come to ask him for help when they are in danger.

They come to ask him for help when they are in danger.
They come to ask him for help when they are in danger.

They come to ask him for help when they are in danger.
他们来寻求他的帮助,他们正处于危险之中.

当他们遇到危险的时候来向他求助

在危机之中他们来向他求救。

当他们遇到危险时，便向他求助。
ask sb for help 向某人求助

意思是“当他们处于危险的时候，就会向他求救”。