Chinese phrase
你是老几？ nǐ shì láo jǐ
Meaning
Who do you think you are?
When to use it
This questions someone's right to act superior. It is a sharp, often impolite rhetorical question used when someone oversteps, boasts, or acts entitled.
Example dialogue
别人都排队，你却插队说自己有关系，你是老几？ bié rén dōu pái duì nǐ què chā duì shuō zì jǐ yǒu guān xì nǐ shì láo jǐ
Everyone else is lining up, but you cut in and say you have connections. Who do you think you are?
我只是有点急，不用这么骂人吧。 wǒ zhǐ shì yóu diǎn jí bú yòng zhè me mà rén ba
I was just in a bit of a hurry. You don't have to insult me like that.