Terrarium 
To dream about a terrarium indicates that you are comforting yourself and hiding aspects of your personality from others. The terrarium might also represent virility, inspiration, and fresh thoughts.
Threshing
To dream about threshing grain symbolizes progress in commerce and familial happiness.
Wallpaper
To dream of wallpaper can be thought of as a defense between yourself and the people in your waking life. It may also indicate that you are hiding a secret from your friends and family. Conversely, it may indicate that there is some part of your life that needs to be spruced up and made more beautiful.
If you dream that you are removing wallpaper from a wall represents that the shields you have put up around you are finally being taken down. You no longer wish to hide from those around you. You are will to share your true self with your waking life friends and family.
The color and pattern of the wallpaper will offer clues as what kind of barrier, secret, or feeling you should focus on.
Bleachers
To see or sit on bleachers in your dream indicates that your observations will help you reach your objectives. The appearance of bleachers may also represent emotions that you associate with your school years.
Bullfight
To dream about a bullfight is indicative of the battle between your primitive cravings and soulful yearnings.
Christian
To dream of Christianity implies that you are tapping into your own spiritual progression. Perhaps you are approaching a new level of self-discovery or awareness. It may also represent someone you know who holds the name Christian.
Christmas
To dream of Christmas represents close relationships and joyful times with loved ones. It can also imply entering a new phase or stage of your life. Think about what feelings and emotions you hold regarding Christmas as well.
Dormitory
To dream that you are in a dormitory suggests the level to which you consider wisdom and education in your life. You could feel that you learn in every aspect of life. If you are residing in a dormitory at present, then you may simply be dreaming about your current situation.
Gymnasium
To dream that you are in a gymnasium implies that you should use your experience and knowledge to assist you with making decisions and setting objectives.
Handshake
To dream of a handshake indicates a feeling of content and recognition from yourself and others.
Dreaming of shaking hands with a celebrity shows recognition and regard from well-known people, while shaking hands with normal people might mean reaching a new decision or agreement and acknowledging its existence in your life. To dream of a handshake might also mean a resolution to a certain issue or problem.