A deep inhalation and exhalation; breathing deeply—often done to relieve tension or relax. Used as a noun and as a suru-verb.
発表の前に深呼吸をして落ち着いた。
I took a deep breath before the presentation and calmed down.
ヨガのクラスでは呼吸法として深呼吸を何度も繰り返す。
In yoga class we repeat deep breathing several times as a breathing technique.
緊張しないように、まず深呼吸してから話してください。
To avoid getting nervous, please take a deep breath before you speak.