First, this is what it looks like before eating. The spoon and fork are on the left, and the fork and soup spoon are on the right.
Second, put the knife and fork in a cross, indicating that you are waiting for the second copy.
Third, put the fork on the lower left and the knife on the lower right, meaning that you haven't finished eating yet, don't take it away.
Fourth, the knife and fork are placed side by side vertically, indicating that you have eaten well. Please take them away.
Five, put the knife and fork horizontally, indicating that western food is particularly delicious and well received.
Six, insert the knife into the gap between the forks, and the oblique placement of the two shows that it is not delicious, bad review.