old hat
US /oʊld hæt/
UK /əʊld hæt/
成语
过时, 老套, 陈旧
something that is old-fashioned, out of date, or no longer interesting because it has been done or seen many times before
示例:
•
That kind of technology is old hat now; everyone uses smartphones.
那种技术现在已经过时了；每个人都用智能手机。
•
His jokes are a bit old hat, but he still makes people laugh.
他的笑话有点老套，但他仍然能让人发笑。