0 Noun 0 Verb 3 Adj. 0 Adv.
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ZH艰苦Adjective
ZH
需要很多精力或技術的
困难艰难
bn:00101358a Concept
EN
Characterized by effort to the point of exhaustion; especially physical effort
艰苦+的艰难
bn:00097470a Concept
EN
Taxing to the utmost; testing powers of endurance
艰巨忍耐力的严格考验
bn:00097471a Concept