A bitter plum
It is a Chinese idiom. Pinyin is d à op á NGK à L à, which means mediocre and useless. It comes from Xu Hun of Tang Dynasty. He and Wang Xianggong of Huainan traveled to Guazhou with his guests and colleagues to leave their business. He wrote about the old study.
The origin of Idioms
Xu Hun of the Tang Dynasty wrote a poem: "the road is hard, the Li is still solid, and the sweet Tang outside the city is already overcast."
Idiom explanation
It refers to mediocrity and useless talent. It's the same as "bitter plum on the way.".
A bitter plum
load one's pages with references - páng zhēng bó yǐn
he fled in any path he could without heeding which he chose - jí bù zé lù
Save the time and improve the customs - jiù shí lì sú
display of fireworks and a sea of lanterns - huǒ shù yín huā
Ten years of trees, a hundred years of people - shí nián shù mù,bǎi nián shù rén