Describe the details of [smile]

1. This smile is also faint, like a light cloud, rubbing in melancholy. 2. Mom smiled gently, like a faint blush floating from the corners of her mouth. 3. There is an imperceptible smile on the corners of the mouth, like a ripple on the face, which quickly sweeps across the face, then condenses into two sparks in the eyes and disappears into the depths of the eyes. You will never get tired and smile happily. With a youthful smile, like a water lily quietly blooming after a summer rain, with crystal beads, you nodded shyly and gracefully.