行き掛けの駄賃
  行きがけの駄賃
  いきがけの駄賃
  ゆきがけの駄賃
  いきがけのだちん
  行き掛けの駄賃
  行きがけの駄賃
  いきがけの駄賃
  ゆきがけのだちん
  行き掛けの駄賃
  行きがけの駄賃
  ゆきがけの駄賃
  Expressions (phrases, clauses, etc.)
  idiomatic expression
  taking the opportunity to do something
  doing something incidentally
  doing something while (you) are at it
  doing something on the way
  while I'm at it
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