:the expression of your thoughts or feelings especially through artistic activities (such as painting, writing, dancing, etc.)自我表现（尤指通过艺术活动，如绘画、写作、舞蹈等）
a form/means/medium/mode of self-expression自我表现的形式/方式/媒介/模式
The strict rules leave little room for self-expression.严苛的规则使人没有发挥的余地。