[卧薪尝胆 / 臥薪嚐膽, wò xīn cháng dǎn, ㄨㄛˋ ㄒㄧㄣ ㄔㄤˊ ㄉㄢˇ](expr.) lit. lying on firewood, tasting gall (成语 saw); fig. to suffer patiently while firmly resolved on revenge#39958[Add to Longdo]
[がしんしょうたん, gashinshoutan](n, vs) going through thick and thin to attain one's objective; enduring unspeakable hardships for the sake of vengeance[Add to Longdo]
[がりょうほうすう, garyouhousuu](n) gifted young person who shows much promise; unrecognized genius; great person whose talent is hidden under a bushel[Add to Longdo]