belt and bracesBritish EnglishBrE informal a belt and braces way of doing something is one in which you do more than necessary in order to make sure that it succeeds 〔指做事方法〕双重保险的belt and braces• Where glues are concerned, I, personally, would not scorn to wear both a belt and braces.• It retains the Sympatex lining of the earlier model - belt and braces if you like.• It was sealed with Sellotape and staples, a real belt and braces job.• Three: portly old men should use belt and braces, in case their trousers burst open; the belt hides the disaster.
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