呼吸

1. Origins, structure, and basic meaning

• Structure: The written form is 呼吸, read こきゅう. This word denotes breathing and can name either respiration or the act of taking a breath.
• Basic usage: 呼吸が速くなる describes breathing quickening after a run, while 深く呼吸する describes taking a deep breath before speaking.

2. Common pitfalls and similar expressions

• Breathing after running
  • Breathing becomes faster after running. Example: 走った後は呼吸が速くなった。 — My breathing quickened after running.
• A deep breath before speaking
  • A deep breath precedes the start of quiet speech. Example: 深く呼吸してから静かに話し始めた。 — I took a deep breath before beginning to speak quietly.