Greeting, being affectionate: It will circle your feet, constantly rubbing its head. If you put it on the table, it will continuously rub your face with its head and chin.

　　Welcome: When you come home, it will run to the door and sit, slowly swinging its tail back and forth with large movements to say, "Glad you’re back, welcome welcome."

　　Happy: After eating, wiping its mouth, licking its paw, it shows complete trust in you and feels very safe.

　　Curious: Stands up on its hind legs, ears leaning forward, tail hanging down, tip gently shaking.

　　Angry: Whole body low, tail curled up, ears pressed back, mouth open showing canine teeth, and making sounds. Preparing to attack, front body low, rear high, tail stretched out, ears leaning forward, claws fully exposed. At this time, run away quickly, it’s about to attack.

　　Confused, troubled, angry: Body low, tail hanging down, slowly wagging.

　　Submission: Ears drooping, tail curled into the body, whiskers drooping, body curled up, indicating surrender, "I give up."

　　Calm: Ears naturally upright, whiskers naturally drooping, pupils thin and straight.

　　Alert: Eyes wide open, ears fully forward, whiskers raised.

　　Warning, threat: Ears slightly pressed down, eyes narrowed but no sound yet.

　　Further audible warning: Ears flattened, whiskers raised, face flattened, eyes even narrower.

　　Attack: Ears pressed back, whiskers raised, growling, baring teeth. At this time, run away quickly.

　　Preoccupied: Ears forward, pupils slightly dilated, whiskers drooping.

　　Surprised: Pupils round, ears erect, mouth slightly open. This is the cat’s reaction when smelling delicious fish or meat in the kitchen.

　　Purring: This is the sound it makes when you are holding it and stroking its chin, when it climbs onto the bed at midnight, or when stretching lazily. It also purrs when sick or in pain. Additionally, purring indicates friendliness.

　　Meow: Low and gentle, indicating greeting, welcome, good mood, or response. Louder meowing may indicate complaint or begging.

　　Hissing: A high-pitched hissing sound with mouth open, tongue rolled into a tube, and hot breath expelled, used to show fear, anger, or threaten the other party to stop.

　　Miaow, miaow-wa: Emitted when confused or requesting something. (Source：PetsZone)