一个年纪很老的人，虽然腰板挺不起来，动作却很矫捷，白色的胡子向前挺着，好像明虾的胡子一样，他推开了弹簧门，走了进去。

• A very old man, bent but active, with white moustaches that bristled forward like those of a prawn, pushed open the swing door and went in.