Chinese phrase
未经允许，不可以〜 wèi jīng yún xǔ bù ké yǐ 〜
Meaning
You must not ___ without permission
When to use it
It says that something must not be done without permission. It sets a clear rule for actions that need consent, often to protect privacy or property.
Example dialogue
别在社交媒体上随便发，未经允许，不可以把别人的隐私曝光。 bié zài shè jiāo méi tǐ shàng suí biàn fā wèi jīng yún xǔ bù ké yǐ bǎ bié rén de yǐn sī bào guāng
Don't post it casually on social media; you must not reveal someone else's private information without permission.
明白了，我会注意的。 míng bái le wǒ huì zhù yì de
Got it. I'll be careful.