Denshi Jisho — Online Japanese dictionary

かんく privation suffering
Noun, Suru verb 
かんなん hardships; privations; difficulties
Noun, Suru verb 
難苦労 かんなんくろう trials and tribulations; adversities; suffering hardships and troubles
Noun 
難辛苦 かんなんしんく trial and tribulation; hardships; privations; difficulties
Noun 
難汝を玉にす かんなんなんじをたまにす Hardship makes the man
Expression 

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