Good manners not only make us feel good about ourselves but also help others feel good.They can make it easier for everyone to feel comfortable in social situations.（1）Here are some rules that may help you become a politer person.
   In public，it is kind to hold the door open for others，especially when you see someone with arms full.Never allow a door to shut heavily on anyone following you.（2）这会让他们感到不舒服。But it is not a good idea to hold a door open when someone is far away.This might cause them to hurry up for the door.
   Show kindness to people who work for you，such as waiters，shopkeepers and postmen.It is kind to smile and say"Thank you"to them.（3）他们努力工作、以便我们能享受我们的生活。
   Take off your headphones before you speak to someone and look at them while listening.At the end of a phone call with people older than you，it's proper to make sure they end the phone call first.
   Don't cut in on people when they talk.Hear them out before expressing your own opinion.
   （4）Allow them to voice their opinions，even when you don't agree with them.Use your communication skills instead of raising your voice to express yourself.
   Please be careful with your behaviors（行为）and always show kindness.（5）When kind behaviors are repeated again and again，they turn into habits.

（1）

这有一些可以帮助你变得更有礼貌的建议。

这有一些可以帮助你变得更有礼貌的建议。

（2）

This may let them feel uncomfortable.

This may let them feel uncomfortable.

（3）

They work hard so that we can enjoy our lives.

They work hard so that we can enjoy our lives.

（4）

允许他们为自己的意见发声，即使当你不同意他们的时候。

允许他们为自己的意见发声，即使当你不同意他们的时候。

（5）

当善意的行为一次又一次地重复，他们就会变成习惯。

当善意的行为一次又一次地重复，他们就会变成习惯。