Depressed but unsuccessful
Depression without ambition is a Chinese idiom, which is interpreted as melancholy because one's ambition cannot be displayed.
explain
He was depressed because his ambition could not be carried out. Melancholy: a look of sadness.
source
The ninth biography of the new book of the Tang Dynasty (Volume 84): "Li mi was hungry at the age of ten, and he peeled wood for food. He changed his name to Liu Zhiyuan. Professor Zhu gave it to him on his birthday. He was depressed and failed to achieve his goal. He moaned and wept
usage
[example] Chapter 105 of the chronicles of the states of the Eastern Zhou Dynasty: "Lian Po ran back to Chu and became the general of Chu. He was inferior to Zhao in Chu's soldiers and died of depression."
Depressed but unsuccessful
A slow sparrow should make an early start. - bèn niǎo xiān fēi
mutually decline to take dates and pears -- show brotherly love - ràng zǎo tuī lí
the mountain falls and the earth gives way - shān bēng dì xiàn