yǎng bīng qiān rì,yòng zài yī zhāo
基本释义
  1. 指长期供养、训练军队,以备一旦用兵打仗。同“养军千日,用在一朝”。
出处
明·施耐庵《水浒传》第六十一回:“卢俊义听了大怒道:‘养兵千日,用在一朝!我要你跟我去走一遭,你便有许多推故。’”
英文翻译
  1. Aimies are to be maintained in the course of long years,but to be used in the nick of time.Keep sth.seven Years and you will find a use for it