painstakingly
🇺🇸
/ˈpeɪnzteɪkɪŋli/
🇬🇧
/ˈpeɪnzteɪkɪŋli/
Doing something very carefully and with a lot of attention to detail.
The artist painstakingly painted each leaf on the tree, making sure every detail was perfect.
アーティストは木の葉を一つ一つ丁寧に描き、すべての詳細が完璧であることを確認しました。