The dog's barking for no reason may indicate that the dog is seeking attention and caress. Additionally, it may also indicate that it is uneasy, anxious, or afraid. The best advice is to observe it to find out why it makes a sound. If possible, consider giving it more attention and caress, as well as providing it with exercise and social opportunities regularly to help it adapt better.

The dog has a very sharp hearing and will yell and remind the owner when he hears suspicious sounds. The dog is more sensitive, and passing cars and people will cause the dog to panic and yell; the dog will bark because it is too bored to attract the owner's attention.

1. The dog has a very sharp hearing and will scream and remind the owner when he hears suspicious sounds.

2. Dogs are more sensitive, and passing cars and people will cause the dog to panic and yell.

3. If a dog screams inexplicably at a place, it may have heard certain sounds, such as car alarms, slight sounds of people talking, footsteps, etc.

4. If the dog barks in the air, it may be that it sees a flying bird or a plane flying in the air.

5. Dogs are all pets who are lively and like to play with their owners. When the owner ignores them for a long time, or is locked in a cage for a long time, the dog will bark because it is too bored to attract the owner's attention.