未 + 经 + Noun + Verb
经 (jīng) means "to undergo," "to pass through," or "to experience," and often functions as a shortened form of 经过 or 经历. It frequently appears in formal or written constructions such as 未经许可 (without permission, literally "not having undergone approval"). It conveys the idea that a process or step has or has not been completed.
未经本人同意,不能随便公开他的个人信息。
Wèi jīng běnrén tóngyì, bù néng suíbiàn gōngkāi tā de gèrén xìnxī.
His personal information cannot be disclosed without his consent.
这件事经调查后发现并没有违规。
Zhè jiàn shì jīng diàochá hòu fāxiàn bìng méiyǒu wéiguī.
After investigation, this matter was found to have no violations.
未经许可进入这个区域是不允许的。
Wèi jīng xǔkě jìnrù zhège qūyù shì bù yǔnxǔ de.
Entering this area without permission is not allowed.