laborioso

laborioso, -a
adjective
1hard-working (aplicado)
2laborious, arduous (difícil)

laborioso [lah-bo-re-o'-so, sah]
adjective
1Laborious, assiduous, industrious.
2Laborious, requiring much toil and labor; tiresome, painful.

laborioso
adjetivo
1 (dedicado, constante) hard-working; industrious
2 (minucioso) painstaking
3 (dificultoso) [+trabajo, negociaciones] laborious; difficult

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evidently, plainly, clearly, obviously