To use people to face the front and not to use people to face the back means: when I need your help, I will face you and greet you with a smile; when I don’t need you, I will ignore you and turn my back. With you.

This sentence shows the duality of a person when asking for help and when being asked for. Such people often act like a good person in front of others and act like a ghost behind others. When he uses you, he can beat your chest, rub your back and pinch your nose, he can call you mom, dad, grandma, and grandpa, and he can be your third grandson. When he's not using you, he can pour foot-washing water on your head, stick his cold butt against your hot face, and throw away all the kindness you have shown him.

This sentence comes from a folk proverb.

Extended information:

Folk proverbs are relatively concise and concise words spread among the people. Most of them reflect the practical life experience of working people and are generally passed down orally. It is mostly an easy-to-understand short sentence or rhyme in spoken form.

Proverbs, like idioms, are part of the language as a whole and can increase the vividness and vividness of the language. But proverbs and famous quotes are different. Proverbs are the practical life experience of working people, while famous quotes are what celebrities say.