Laborious



adjective
1.
(requiring much labor, exertion or perseverance; of extreme care, diligent in labor. -labor union trade union, organization of employees a for mutual assistance and protection) laborious task ដែលពិបាក, ដ៏ពិបាក, laborious craftsmanship ដែលផ្ចិតផ្ចង់
ENGLISH MEANING
adjective
1.
Requiring labor, perseverance, or sacrifices; toilsome; tiresome.
2.
Devoted to labor; diligent; industrious; as, a laborious mechanic.