do exactly what it says on the tin

动词 v.

英文释义

动词 v.
  1. To do what is described or what one would expect, with no further explanation needed. Ireland,UK,idiomatic
    — So if you've got wood to stain and you want it to dry quickly, use Ronseal Quick-Drying Woodstain. It does exactly what it says on the tin.

词源

From the sense of tin meaning a can, originally the slogan of an HHCL advertising campaign of UK television commercials for Ronseal Quick-Drying Woodseal.
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