From Wiktionary, the free dictionary
ただばたらき • (tadabataraki)
- 只働き: work done for free, unpaid work; work done in vain, work with no favorable end result
ただばたらきする • (tadabataraki suru) suru (stem ただばたらきし (tadabataraki shi), past ただばたらきした (tadabataraki shita))
- 只働き: to work for free, to work without pay; to work in vain, to work with no favorable end result