ADJ [usually ADJ n]非官方的;未经正式批准的;非正式的 An unofficial action or statement is not organized or approved by a person or group in authority. 非官方的;未经正式批准的;非正式的
Staff voted to continue an unofficial strike in support of seven colleagues who were dismissed last week.
职工投票决定继续进行非正式罢工,以支持上周被解雇的7名同事。
Official reports put the death toll at under one hundred, but unofficial estimates speak of at least two hundred dead.