on your pins是什么意思

词组 on your pins 释义 ●on your pins (old-fashioned, informal) on your legs; when standing up or walking 以腿站立（或行走）◆He’s not as steady on his pins as he used to be. I worry about him going out.他的腿脚不如以前那么稳健了，他出门我会担心。 　 英...