変へん調ちょうをきたす

expression, godan verb (-su)

go out of order; go wrong; become abnormal; show strange symptoms; change for the worse

Used when a system, condition, or health state deviates from normal in a negative way. Often appears in medical, technical, or formal contexts.

• 機き械かいが変へん調ちょうをきたして動うごかなくなった。

  The machine went out of order and stopped working.

• ストレスで体たい調ちょうに変へん調ちょうをきたした。

  Stress caused my physical condition to become abnormal.