I dreamed that when the bus or train was moving, my mother waved me down. It was a dream that warned me to terminate the current thing or plan.
Dreaming that one's mother becomes a bride and holds a wedding in a wedding dress or hanbok implies that one's mother is in great danger, which is a dream to warn oneself of possible serious illness or death.
Dreaming that your mother looks terrible, chasing you or pinching your neck is a dream that reflects your own subconscious. Because you have a great sense of guilt about your mother in real life, you have such a dream.