What feelings does a wisp of cloud express?

Express feelings such as sadness, missing, helplessness and hopelessness. A wisp of cloud smoke is a figurative word used to describe distant, illusory and ethereal feelings. In literature and poetry, it is used to express feelings such as sadness, yearning, helplessness and hopelessness. A wisp of cloud smoke reminds people of the smoke drifting gently, moving with the wind and fleeting. This kind of images can express the goals or characters that are eager to pursue but hard to reach, and can also express the helplessness and pain of parting and parting, with a blurred and sad feeling.