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grateful; thankful; welcome; appreciated; evoking gratitude
手伝ってもらえると本当にありがたいです。
It would be truly appreciated if I could get your help.
先輩が手伝ってくれて本当にありがたかった。
It was truly appreciated that my senior helped me.
形だけの謝罪はありがたくない。
A merely perfunctory apology is not welcome.