がしんしょうたん
臥薪嘗胆
N3Noun
Noun, Suru verb, Intransitive verb
going through thick and thin to attain one's objective•enduring unspeakable hardships for the sake of vengeance
Example Sentences
私は長い間臥薪嘗胆の苦しみをなめた。
I have struggled under extreme difficulties for a long time.