There is a Chinese saying 礼多人不怪. This Mandarin Chinese phrase actually means it is not strange for one to be extra polite.
礼 politeness
多 many or a lot
人 person / people
不 no / not
怪 strange / weird
Simplest way to say hello in Mandarin Chinese
When you are greeting a person you know or a person you do not know, the simplest Mandarin Chinese phrase to use at anytime of the day is