The meaning of green onion mixed with tofu is clear and white: this is a homophonic allegorical saying, and "clear" is a homophonic word for "green" (green onion is cyan), which means that things or people are clear and white, and nothing is involved.

The unique expressive force of two-part allegorical sayings gives people deep thought and enlightenment, which has been passed down through the ages. It reflects the unique customs, traditions and national culture of the Chinese nation, tastes life, understands philosophy and enhances wisdom. Two-part allegorical sayings are generally profound, and a short sentence condenses a lot of wisdom.