[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]
[かんたんあいてらす, kantan'aiterasu](exp, v5s) to be profoundly compatible; to be inseparable; to be so close as to reveal to each other the bottom of one's heart[Add to Longdo]
[どぎもをぬく(度胆を抜く;度肝を抜く);ドぎもをぬく(ド肝を抜く), dogimowonuku ( do tan wo nuku ; dogimo wo nuku ); do gimowonuku ( do kimo wo nuku )](exp, v5k) to knock or scare (someone) out of his or her wits; to strike a person dumb; to dumbfound; to take (someone) aback[Add to Longdo]