A loose wheel rolling away from a bicycle, showcasing the concept of '鬆脫'. The loose screw on the wheel is visible, emphasizing the idea of something being detached or coming apart. The style is vibrant children's animation with exaggerated movement to highlight the loose aspect of the wheel. The background can include a simple outdoor setting to provide context for the bicycle imagery. The focus is on the wheel and the loose screw to clearly convey the meaning of '鬆脫'.