mourn the ancient and grieve the modern
It is a Chinese idiom, the Pinyin is di à og à sh à NGJ à n, which means to pay attention to historic sites, recall the past and feel sad about the present situation. From the ode to regret.
Idiom explanation
Hang: hang by weight.
The origin of Idioms
Regret Fu written by Emperor Jianwen of Liang Dynasty in the Southern Dynasty: "to study the former history, to pay attention to the past and to the present."
Idiom usage
As predicate, object, attribute; used for feeling. Example: when you are free to collect medicine and get water, you can't meet it. How can you hang on to the past and hurt the present? (preface to Mr. Zheng Pingzi's 70th birthday by Huang Zongxi in Qing Dynasty)
mourn the ancient and grieve the modern
There is no gentleman in a hurry - shì jí wú jūn zǐ
Carving Dragons in the Zen world - chán shì diāo lóng
make a fuss over a trifling matter - xiǎo tí dà zuò