to react very excitedly and happily
とても興奮して幸せに反応する (totemo koufun shite shiawase ni hannou suru)
"They freaked out with joy when they won the contest."
"コンテストで勝ったとき、彼らは喜びで興奮しました。" (Kontesuto de katta toki, karera wa yorokobi de koufun shimashita.)
to collapse mentally or emotionally due to pressure
to divide work among people in a group
to bring back mental or emotional stability
to decide that you want to achieve something specific
to change approach or strategy when necessary
to stop thinking about work or problems for a while