卧薪尝胆 (wò xīn cháng dǎn) | Meaning: (lit.) to sleep on brushwood and taste gall (like King Goujian of Yue, in order to recall one's humiliations) (idiom) | Chinese Idiom with Pinyin & Origin

to be strongly determined to succeed (idiom)发愤图强fā fèn tú qiáng

to dress before light and not eat before dark (idiom) · diligently attending to official matters宵衣旰食xiāo yī gàn shí

hardworking · diligent勤奋qín fèn

to strive unremittingly · self-improvement自强不息zì qiáng bù xī

(lit.) to sleep on brushwood and taste gall (like King Goujian of Yue, in order to recall one's humiliations) (idiom) · (fig.) to maintain one's resolve for revenge