a thimbleful of water
Meteor Crater, 40 miles east of Flagstaff, is an out-of-this-world site for those with a thimbleful of imagination.
You don't catch me tasting rum so much; but just a thimbleful for luck, of course, the first chance I have.
The tissue and the fat of animal generally contain abundant cholesterol, however the vegetable oil commonly contain no or thimbleful cholesterol which can not be detected.
He has just a thimbleful of insight into human behavior.
Just a thimbleful of sherry, please.