painstaking
🇺🇸
/ˈpeɪnzteɪkɪŋ/
🇬🇧
/ˈpeɪnzteɪkɪŋ/
done very carefully and taking a lot of time
The archaeologists completed a painstaking excavation to preserve fragile artifacts.
考古學家進行了細致的挖掘以保護脆弱的文物。