An interjection expressing relief or an exhalation (e.g., 'phew', 'whew', or a huff).
ふう、やっと終わった。長い会議だった。
Phew, it's finally over. That was a long meeting.
重い荷物を下ろして『ふー』と息を吐いた。
I put the heavy luggage down and let out a 'phew'.
彼は問題が解けてふうと安堵の声を漏らした。
He breathed a sigh of relief when he solved the problem.
An interjection expressing excitement or cheering (like 'whoo' or 'woohoo').
試合に勝って、観客は『ふう!』と歓声を上げた。
After the victory, the spectators shouted 'whoo!' in excitement.
友達が合格を知らせると、皆で『ふー!』と喜んだ。
When a friend announced their acceptance, everyone cheered 'whoo!'