Language Points

不要在其他国家地区做的事

Japan 日本

You can't blow your nose in public (restroom is OK)
不可以在公共场合擤鼻涕（厕所是可以的）

Korea 韩国

When you eat in Korea, you shouldn't hold your bowl up
在韩国吃饭的时候不可以把碗举高高

Canada 加拿大

Never ask somebody what their gender or sexual orientation is
千万不要问大家他们的性别和性取向

China 中国

Don't stick your chopsticks in the rice
不能把筷子插在米饭上面

USA 美国

Don't wear surgical masks（cause people would think you are really really sick with something really bad）
没事不要戴口罩(人们会觉得你得了很重很可怕的病)

Hong Kong 中国香港

Don’t give clocks to people as birthday gifts（represent bad luck）
别人过生时千万不要送钟（终）给别人

U.K. 英国

Don't stare at people and you can't point at people
千万不要一直盯着别人看或用手指着别人

German 德国

You Shouldn't come to your German friends house unannounced
不应该不请自来的去德国朋友家里做客


France 法国

Don't cut the salad if you are invited to eat in someone's house, if you cut it while eating, they will be very offended as if they didn't do it right
如果别人邀请你去他们家吃饭，不要在吃饭时切沙拉，他们会感觉被冒犯，因为他们会觉得自己原本切得不太好