They can help each other

帮助───help;相互───mutual

Please help yourself ( to rice , etc. ).───请用饭!

This charity aims to help people (to) help themselves.───这个慈善机构的宗旨是帮助人们自力更生。

I will help myself to the chicken.───我会自己动手吃鸡的.

She's too obstinate to let anyone help her.───她太倔强了,不会让任何人帮她的.

It would be imprudent of you to make enemies of those who can help you.───与能帮助你的人为敌将是不明智的.

Difficulties help to forge people into able folk.───困难有助于把人们锻炼成能干的人.

Thank you for your invaluable help.───谢谢你的非常宝贵的帮助.

Owing to the help from his comrades, he has made rapid progress.───由于同志们的帮助, 他进步很快.

Sarah rejected her brother's offer of help.

Slow help is no help.

Save a thief from gallows and he will help hang you.

God helps those who help themselves.

Well, I can call for help.