Absolutely not, this is disrespectful to others! In China, a country of etiquette, it is disrespectful to detain your glass. If you can't drink well, there are many ways to avoid it (for example: 1, pretending to be drunk; 2, an excuse to go to the toilet (don't come back soon, you can stroll in the corridor for a while and look at the menu or something); 3, the root waiter wants a cup of hot white sugar water (just drink it); 4. Drink it in your mouth and spit it out; 5, secretly to the ground; 6、......； You can think of all kinds of ways to see if you can give your drinking friends face!