To return old shoes in Engpsh, you can say "return old shoes" or "bring back old shoes". This phrase comes from the verb "to return", which means to take or bring back something that you have borrowed or that has been taken away from you. For example, you might say "I need to return these old shoes to the store because they don't fit me" or "Can you please return these old shoes to the owner? I found them on the sidewalk". In Chinese, you could translate these sentences as "我需要把这些旧鞋子退还给商店，因为它们不合脚" and "请问你能把这些旧鞋子退还给它的主人吗？我在人行道上发现它们的".