养兵千日，用在一朝 (養兵千日，用在一朝) yǎngbīng qiān rì, yòng zài yīzhāo

yǎngbīng qiān rì, yòng zài yīzhāo phrase train an army for a thousand days to use it for one morning
Domain: Proverb 谚语
Notes: (CC-CEDICT '養兵千日，用在一朝')