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Formation: N + を契機に／を契機として／を契機にして; V-plain + の／こと + を契機に

Presents an event X as the turning point that set off a significant change or a new development. The main clause describes that change, such as rising awareness, a policy review or a new course in life. It is formal and written, typical of news reports, editorials and history. Compare 〜をきっかけに, which means the same but is everyday and can be used for small or personal triggers, and 〜を機に, which often suggests deliberately taking an occasion to make a change (定年を機に). を契機に sounds heavier and is best for major social or historical shifts.

Variants: 〜を契機として、〜を契機にして、〜を契機とする

Examples

• 震災を契機に、防災への関心が高まった。
  The earthquake became a turning point, and interest in disaster preparedness grew.
• 留学を契機として、彼は国際問題に関心を持つようになった。
  Studying abroad was what got him interested in international affairs.
• 事故が起きたことを契機に、安全基準が見直された。
  The accident prompted a review of the safety standards.

In real texts 0 occurrence(s)

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