‘艰苦’ (jiān kǔ) is an adjective meaning ‘hard’ or ‘austere’, especially in material or living conditions — it emphasizes enduring difficulty with little comfort or resources. The first character 艰 (jiān) means ‘difficult’ or ‘arduous’, often implying obstacles that require great effort to overcome; the second character 苦 (kǔ) means ‘bitter’ or ‘hardship’, suggesting physical discomfort, deprivation, or sustained suffering. Together, they form a compound that conveys not just difficulty, but a prolonged, gritty, resource-scarce struggle — commonly used to describe historical periods, rural life, military training, or personal perseverance through poverty or adversity.

This word carries a respectful, even admiring tone when describing people who endure hardship with resilience. It’s frequently paired with nouns like ‘条件’ (conditions), ‘环境’ (environment), ‘奋斗’ (struggle), or ‘岁月’ (years), and often appears in formal or literary contexts — including official speeches, memoirs, or news reports about development or sacrifice. Unlike more neutral words like ‘困难’ (nánqi), ‘艰苦’ implies both severity and moral weight, evoking endurance rather than mere inconvenience.