painstaking

needing a lot of care, effort and attention to detail อุตสาหะ, เพียรพยายาม, ระมัดระวัง

Identifying the three bodies dug up at the Phetchaburi site is a painstaking task.

the youngsters also get useful exposure to other traditional art forms like Thai classical music, singing and chanting plus the painstaking craft of making khon masks and costumes.

During the rains the trails become muddy and slippery, which means greater wear and tear of the parts as well as the painstaking chore of post-ride cleaning of one's muddy bike and clothing.