1. I think it is a gesture of greeting. You may shake hands with your friends. I think it is a gesture of greeting. You may shake hands with your friends. I think it is a facial expression of embarrass. When you feel something uncomfortable or awkward, your face may like this. I think it is a facial expression of embarrass. When you feel something uncomfortable or awkward, your face may like this. That means you are embarrassed.

2. I think it is a happy or victory gesture. If someone is in a good mood,he or she may do this gesture. Also, it is a sign of victory. You can use hug to express many feelings. For example, you may hug your family members or friends to express your love. For example, you may hug your family members or friends to express your love. If you win a game, you may hug your team mate to share your happy mood. If you win a game, you may hug your team mate to share your happy mood.

3. It is a facial expression of angry. If someone pick on you,you may feel angry. It is a facial expression of angry. If someone pick on you,you may feel angry. Smile is the best facial expression in the world. If you smile to every one, you will have a happy life. Smile can give others a good impression. People will think you are a kind person. People will think you are a kind person.