如果什么东西因年久而被视为陈腐过时了的时候，那么就可以用这个比喻性短语“老帽子”来形容。
　　例句：
　　1.DVDs are so old hat. I only buy movies online now and download them directly.
　　2.I haven't been to a bank in ages. It's a bit old hat now. I do all my banking on my phone.
　　注意：
　　另一个短语“Old hand”，“老手”就是指对某事很有经验，很在行的人。这个表达没有任何负面意思。
　　例句：
　　1.She's an old hand at social media. If you want to get your message out there, she's the one to talk to.
　　2.I'll have a look at your bike if you like, I'm an old hand at fixing them. I've been servicing mine for years.

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