勤勉な の訳語→ hardworking unremitting
周到な の訳語→ best carefully cautious elaborate good meticulous
念の入った の訳語→ laborious politeness
念入りな の訳語→ diligent
粘り強い の訳語→ dogged persevering resilient
綿密な の訳語→ detailed scrupulously
sedulously