没大没小 沒大沒小

    méidàméixiǎo

    1. Idiomimpolite; cheeky; impudent

    他说话没大没小,一点礼貌都没有。Tā shuōhuà méidàméixiǎo, yīdiǎn lǐmào dōu méiyǒu.He spoke disrespectfully, showing no manners at all.