向日葵对着太阳傻笑
[xiàng rì kuí duì zhe tài yáng shă xiào]
This refers to 'Sunflowers smiling foolishly at the sun.' Sunflowers naturally turn towards the sun, symbolizing positivity, hope, admiration, and sometimes innocence or naivety. The term 'smiling foolishly' adds a whimsical, self-aware element.