make no distinction of ranks; not know one’s place; not respect one’s elders or betters ? 這位年輕人～，沒有一點(diǎn)禮貌。This young man has no manners,for he doesn’t know his place.
不分上下
neck-and-neck ～的總統(tǒng)選舉結(jié)果neck-and-neck presidential election result