短语词组短语be a proper squirrel 跨界音乐be by proper measure 采取适当措施Just always be a proper 永远只是个名词be proper to 专属;为…所特有be proper for 对……;对be right and proper 名正言顺be proper -looking 端庄整齐should be proper capital 相适应的资金 返回 be proper