B2 noun /ˈɡreɪt.fəl.nəs/
Gratefulness
感謝
Meaning
the quality of being thankful; readiness to show appreciation for kindness
Example
She expressed her gratefulness to the doctors who saved her life.
彼女は彼女の命を救ってくれた医師たちに感謝の気持ちを表現しました。