lǎo / rén / cháng / gǎn / tàn / shì / fēng / rì / xià / nián / qīng / rén / yuè / lái / yuè / bù / dǒng / lǐ / mào老人常感叹世风日下,年轻人越来越不懂礼貌。The elderly often lament that society's morals are declining and young people are increasingly impolite.