thin on the ground

US /θɪn ɑn ðə ɡraʊnd/
UK /θɪn ɑn ðə ɡraʊnd/
"thin on the ground" picture
1.

present in small numbers or amounts; scarce

:
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Good mechanics are thin on the ground these days.
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Opportunities for promotion are thin on the ground in this company.
:
thingroundgroundsgroundingbe as thin as a rakebe thin on topinto thin air