2 "Cold salad" is an informal answer, which is usually used to answer the question of "how to do it". "Cold salad" means to put it aside and leave it alone.
Example: 20 12 On August 22nd, the host asked, "Jingru, tomorrow is Valentine's Day on Qixi, but you have to go to Zhengzhou for publicity. What should your husband do?" Fish Leong: "Hey, cold salad!"