Smallpox is also called smallpox. The word smallpox originated in Qing Dynasty, which is a general term for the interior decoration of roofs. Many ancient building components in China were named according to their similar shapes, and then they were given pleasant names, such as Queti and Baogushi.
Therefore, the word "ceiling" is a compliment to a person, which means that a person is "tough" and "cow X" to some extent. It is a compliment, not a derogatory term.
"ceiling" is a rice circle term, which is usually used to indicate that it is very high and difficult or difficult to surpass. This is a neutral word. It is usually used to describe a person or a class of people whose ability is much higher than the average level or in a top position in a certain field.