Commonly known as "sign language" and "gesture". Sign language is a way to express thoughts and communicate through hand movements and facial expressions. There are many movements of upper limbs and body when using, and there are two types of expression systems:
(1) does not completely follow the linguistic rules of spoken language, and the expression process is not in strict order.
(2) Fully follow the grammatical rules of spoken language, and the expression process is consistent with spoken and written language. Because of the limited expressive power of hands, the concept of expression is not as accurate as that of audio language, and it is difficult to express abstract ideas. In deaf education, it should be combined with other language forms.
Thumb up:
This is the most commonly used gesture of praise and approval in China, which means "good", "wonderful", "great", "unique", "best", "top" and "reaching the peak". In Nigeria, when guests come, they should extend their thumbs to express their greetings to friends far away. In Japan, this gesture means "man" and "your father". In Korea, it means "head", "father", "minister" and "captain". In the United States, Mexico, the Netherlands, Sri Lanka and other countries, this gesture means praying for good luck; In the United States and India; France, on the other hand, sticks out its thumb horizontally when blocking a ride to show that it wants to take a ride. In Indonesia, give me your thumb. But in Australia, thumbs-up is a rude gesture.
refuse
Quite a few countries and regions in the world use this gesture, but the meaning is not the same. In China, thumbs down mean "down" and "below". In Britain, the United States and the Philippines, a thumbs down * means "unacceptable", "disagree", "over" or "the other side lost". Mexicans and French people use this gesture to mean "useless", "dead" or "bad luck". In Thailand, Myanmar, Philippines, Malaysia and Indonesia, thumbs down means "failure". In Australia, this gesture is used to express ridicule and ridicule. In Tunisia, thumbs-up means "pour water" and "stop".