Painstaking



adjective
1.
(giving or needing great care and thought. very careful and diligent) ដែលផ្ចិតផ្ចង់, ដែលទៀងទាត់ (ចំពោះកិច្ចការ), ដែលត្រួតពីលើ
ENGLISH MEANING
noun
1.
The act of taking pains; carefulness and fidelity in performance.
adjective
1.
Careful in doing; diligent; faithful; attentive.