Depending upon the context of your dreams, tailoring or sewing in dreams may be a sign of;
Achieving the goals
Luxuries and comforts
Loss in wealth
Change the habitat
Tailor in dream is symbolized to a person who collects and sells used items after some repair and maintenance in waking life.
To dream that you are sewing or tailoring your family clothes then it is an indication that your living condition will improve as a result of your hard work.
To dream that you are stitching clothes of some unknown woman then it refers to loss and sorrows associated with your wealth.
To dream that you are stitching the chest of some man then it refers to your goodness for him.
To dream that you have completed your stitching or sewing work then it indicates that your work for which you have planned will be accomplished successfully.
To dream that you have many dresses then it is a sign of luxuries and comforts earned by the wealth you have inherited.
To dream that you have stitched up your dress completely then it is a sign of your suitability with your family.
To dream that you stitched your pants but the part for belt is not stitched then it indicates your relationship will eventually end up in separation.
To dream that you stitched an official dress then it is a sign of your services for a department in which similar dress is used as a uniform.
To dream that you are stitching the clothes of your woman then it indicates grief and sorrows due to some blame of illicit relationship.
To dream that you are drying the washed clothes then it may be a sign of change in your accommodation or change in area of living.