| 释义 |
idiomthe/an old chestnut BrEBrEused about a story, remark, or subject that everyone knows because they have heard it or talked it about many times before:The discussion in the pub centred round the old chestnut: Christmas has been spoiled by commercialization.I was now the senior officer, and was often reminded of the old chestnut about teaching an old dog new tricks.
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