をきっかけに
(O kikkake ni)
triggered by / with X as the impetus.
Connection rules
- +Noun + をきっかけに(して); V plain / V-た + の + をきっかけに(して).
- +Emphasizes the triggering moment — often something small or incidental that led to something big.
- +Less formal than 〜を契機に (which is more literary).
Examples
1.
日本旅行をきっかけに、日本語を勉強し始めた。

Nippon ryokou o kikkake ni, nihongo o benkyou shi hajime ta.
A trip to Japan triggered my starting to study Japanese.
「triggered by / with X as the impetus」
2.
その本を読んだのをきっかけに、考え方が変わった。

Sono hon o yon da no o kikkake ni, kangaekata ga kawa ta.
Reading that book triggered a change in my way of thinking.
「triggered by / with X as the impetus」
Practice
I started living alone triggered by getting a job.
大学卒業後、___一人暮らしを始めました。
Romaji also accepted