花海清风赤子心
[huā hăi qīng fēng chì zi xīn]
This username expresses the user's desire for a simple and pure heart. '花海' (huāhǎi) means a sea of flowers, symbolizing natural beauty; '清风' (qīngfēng) stands for a gentle breeze, often representing simplicity and peace; '赤子心' (chìzǐxīn) is a pure heart as innocent as that of a baby, suggesting sincerity and innocence.