To feel extremely thankful.
非常に感謝していると感じる。 (Hijō ni kansha shite iru to kanjiru)
"She was bursting with gratitude after receiving help."
"彼女は助けを受けた後、感謝の気持ちでいっぱいでした。" (Kanojo wa tasuke o uketa ato, **kansha no kimochi de ippai deshita**.)
something very pleasing to hear
to deal with a difficult technological challenge
something that seems bad but results in something good
to shift responsibility to someone else.
to make something definite or certain
to be extremely surprised or shocked