turn to help和turn for help什么区别

区别是：
turn to help意思是：去帮忙。
turn for help意思是：求助。

例句对比：
turn to help
1、Next time it'll be my turn to help.
下次会轮到我来帮助了。
2、This time it was my turn to help Sharon as she had helped me over those past years.

多年来沙伦帮我度过了一次又一次难关，这次该我来帮助她了。
3、I need to shift lower before each turn to help slow the car down.

每次转弯前我都必须打到低档使车子慢下来。

turn for help
1、They are the very people to whom you can always turn for help.
他们就是你可以向其求助的人。
2、In the dark street there was not a single person to whom she could turn for help.

在漆黑的街道上没有一个她可以求助的人。
3、If there is a problem, to which organizations they turn for help?

如果出现问题又向哪些机构请求帮助？