Gifts are usually not opened immediately after receiving.
--Chan
40
It is more polite to give and receive everything with two hands.
--Chan
30
Help to pour drinks for others whenever you see that their glasses need a refill.
--Chan
20
Hold the rice bowl close to your mouth as you feed yourself.
--Chan
20
When someone is refilling your glass, thanks are sometimes given, especially in dim sum restaurants, for courtesy by tapping two fingers on the table.
--Chan
10
We are used to boiling or at least filtering tap water instead of drinking tap water directly.
--Chan