Lightly dancing and flying, literally, means "lightly dancing and flying in the breeze" ? The original is to describe the very light things floating in the air leisurely, elegant look.
Chengyu (chengyu, idioms) is a part of the Chinese language vocabulary in the Chinese characters stereotyped phrases or phrases. Idioms are a feature of traditional Chinese culture, with a fixed structural form and a fixed way of saying things, indicating a certain meaning, and are applied as a whole in a statement, taking on the components of subject, object, and determiner.
A large part of idioms are inherited from ancient times, and they are often different from modern Chinese in terms of wording, which represents a story or allusion. Some idioms are originally miniature sentences. Idioms are also a kind of ready-made words, similar to idioms and proverbs, but also slightly different. Idioms are a bright pearl in Chinese culture.