一壶千金 (一壺千金) yī hú qiān jīn
          
              yī hú qiān jīn 
              
              set phrase 
              a gourd bottle is worth a thousand pieces of gold 
              Domain: Buddhism 佛教
              
                , Subdomain: Chan School 
              
              
                , Concept:  
              
              
              
                Notes: This idiom means that things that ordinarily have little value become very valuable when needed (ABC 'yīhúqiānjīn' 一壶千金, p. 1142; FE '一壺千金', p. 5; FGDB '一壺千金'; Guoyu '一壺千金')