don't be such a baby.这里的be语法是什么意思?

don't be such a baby.这里的be语法是什么意思? she's\he's such a baby.我只知道don't be a baby是不要抱怨的意思. Don`t be a baby 翻译 Don't be such a sad apple. Don't be such a bitch baby you .don't be . don't be silly baby Don't Be A Macho Man 是什么意思? Don't be such an asshole! You don't need to be.的语法问题. Don't be shy是什么语法结构? Don't be a stranger的回答