thim·ble·ful /-ˌfʊl/
  極少量
  Thim·ble·ful n.; pl. Thimblefuls  As much as a thimble will hold; a very small quantity.
     For a thimbleful of golf, a thimbleful of love.   --Dryden.
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  thimbleful
       n : as much as a thimble will hold [syn: thimble]