息をつく
  息を吐く
  息を付く
  いきをつく
  Expressions (phrases, clauses, etc.)
  Godan verb with `ku' ending
  to take a breath
  to take a short rest
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  息を吐く
  いきをはく
  Expressions (phrases, clauses, etc.)
  Godan verb with `ku' ending
  to breathe out
  to exhale
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