就是不高兴
don't worry - 直译是别担心,但实际意思就是别难过let it go - 对一个痛哭ing的人说的(It / everything) will be all right / ok / fine- (事情)会好起来的ps. 楼上don't be sad 我个人认为有点冒犯别人的意思。
z未成年
别伤心Don't be sad sad 英[sæd] 美[sæd] adj. 悲哀的; 可悲的; 糟糕的; 令人遗憾的; [例句]The relationship had been important to me and its loss left me feeling sad and empty这份感情对我很重要,失去它让我感到悲伤而又空虚。