And in the West, the rose is used as a symbol of keeping secrets. When a guest sees a rose painted on the top of the host's table, he understands that everything he talks about at the table is not to be disclosed, and so the Latin idiom of "under the rose" is Sub rosa, "under the rose". The English phrase "under the rose" comes from the German word unter der Rosen, which means "under the rose". Ancient German banquet halls, conference rooms, and hotel restaurants often had roses painted or engraved on the ceiling to remind the participants to keep their mouths shut and not to disclose what they were saying underneath the roses.

This is the origin of Roman mythology, Horus (Horus) bumped into a beautiful woman - the goddess of love, "Venus" affair, her son Cupid in order to help his mother to keep his honor, so he gave him a rose, please him! The Rose of Horus, who received the rose, kept silent and became the "God of Silence", which is the reason why under the rose is the origin of keeping one's mouth shut.

Red roses represent passionate love, yellow roses represent precious blessings and jealousy of lost love, purple roses represent romantic love and precious unique

White roses represent pure innocence, black roses represent tenderness and sincerity, red roses represent friendship and youthfulness, blue roses represent generosity and kindness.

Expanded:

Rose Language In ancient Greek mythology, the rose combines love and beauty, and is both the embodiment of the goddess of beauty and dissolved into the blood of the goddess of love. Around the world, roses are the universal language used to express love. Every Valentine's Day, roses are doubled in value and are pets between lovers and couples. Roses represent love, and roses of different colors and numbers have other auspicious meanings.

Baidu Encyclopedia - Roses