to place or spread a handkerchief or hand over your nose or mouth so as to protect or conceal,hide
Cover your mouth when you cough, sneeze, or yawn.
conversation about things that are not important, often between people who do not know each other well:
small talk
offer your seat to someone
let someone use your place to sit
a reflex that expels air noisily from the stomach through the mouth
to burp
to hold someone's hand strongly for a short while when meeting
to shake hands firmly
to remove bits of food from between your teeth with your finger or a small pointed object
pick your teeth
to force air out of your lungs through your throat or nose with a short, loud sound, protect your environment with a part of your body, but not the hand.
cough or sneeze in your elbow
say please and thank you, excuse me and sorry
use magic words
to force out the contents of the mouth, especially saliva (the liquid produced in your mouth to keep the mouth wet and to help to prepare food to be digested)
to spit out
to be generous and let others use what you have
sharing
apologise
to say sorry
having a conversation while chewing something edible
to talk with food in your mouth
to force air from your lungs and through your nose to clear it
blowing your nose
a usually audible discharge of intestinal gas that may cause others to leave the room
farting
jump the queue
cut a line
texting while having a meeting/dinner
instant messaging with a cell phone in the presence of other people
Hold the door open for someone
to keep the door open for someone
to use your finger to remove mucus from inside your nose
to pick your nose
a fixed look with eyes open wide
to stare, to gaze
ask personal questions
Never give questions about money, age, private things, weight...