狂わせる

1. Origins, structure, and basic meaning

• Structure: 狂わせる is an ichidan transitive verb read くるわせる, meaning to disrupt or throw a plan, judgment, or order off its normal course. Its past form is 狂わせた.
• Basic usage: The schedule or judgment disrupted takes を, while a cause such as a power outage or impatience becomes the subject.
  • 突然の停電が作業の予定を狂わせた。 says that a sudden power outage disrupted the work schedule; 焦りは冷静な判断を狂わせることがある。 says that impatience can sometimes distort calm judgment.

2. Common pitfalls and similar expressions

• 予定を狂わせた
  • を marks the work schedule as what was disrupted, and the past form states that the outage actually had that effect.
• ことがある
  • This pattern expresses that such distortion can occur in some cases; it does not claim that impatience always ruins judgment.
• 狂わせる and 狂う
  • 狂う is intransitive and describes a plan or judgment going awry, while 狂わせる is transitive and identifies something as causing that disruption.