を契機(けいき)にLead to, As a good opportunity to, As a result of, As a trigger

Structure

Noun + を契機(けいき) + に⁽¹⁾
Verb + の⁽²⁾ + を契機(けいき) + に⁽¹⁾

⁽¹⁾ にして、として
⁽²⁾ こと

Details

About を契機に

を契機(けいき)に is a grammar construction made up of を, the noun 契機(けいき) 'chance' or 'trigger' and に. It is a formal pattern that is used to indicate some sort of trigger and may be translated '(A) led to (B)', 'as an opportunity to (A), (B)', or 'as a result of (A), (B)'. (A) may either be a positive or negative event, but will usually be something extremely big in terms of life, or current/historical events in the world.

を契機(けいき)に will be seen after nouns, or verbs that have been nominalized with either の or こと.

Alternatively, にして or として may replace に without any change in the overall meaning.

Caution

Unlike をきっかけに, を契機(けいき)に will almost exclusively be used in relation to some turning point or critical juncture. Due to this, it can sound quite unnatural when used to express a trigger that would not be considered a big event.

先輩(せんぱい)が楽(たの)しそうに料理(りょうり)をしている姿(すがた)を見(み)たのをきっかけに、私(わたし)も料理(りょうり)を始(はじ)めることにした。

Seeing my senpai enjoy cooking led me to start cooking too. (Natural Japanese)
先輩(せんぱい)が楽(たの)しそうに料理(りょうり)をしている姿(すがた)を見(み)たのを契機(けいき)に、私(わたし)も料理(りょうり)を始(はじ)めることにした。

Seeing my senpai enjoy cooking led me to start cooking too. (Unnatural Japanese)

Synonyms

Examples

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子供(こども)の独立(どくりつ)を契機(けいき)に家(いえ)を改造(かいぞう)することにした。

As a result of my children becoming independent, I decided to remodel the house.

テレビ取材(しゅざい)を契機(けいき)に、(レストランの)人気(にんき)が加速(かそく)していった。

The television coverage triggered the acceleration of popularity (for the restaurant).

転職(てんしょく)を契機(けいき)に落(お)ち着(つ)きを取(と)り戻(もど)した。

As a result of my change in occupation, I was able to regain my composure.

あんなに大人(おとな)しかった彼(かれ)が、引越(ひっこ)しを契機(けいき)によく話(はな)すようになった。

He, who was so quiet, has, as a result of moving, become quite talkative.

温泉(おんせん)を掘(ほ)り当(あ)てたことを契機(けいき)に大金持(おおがねも)ちになりました。

Digging up the hot spring led to me becoming very rich.

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を契機に – Grammar Discussion

Most Recent Replies (3 in total)

Hadros232232
What is the difference between を契機に and をきっかけ?
wrt7MameLZE33wlmpCAV
The details for this grammar point indicate it can be written ～にして・として, but none of the examples show this usage and both are simply marked wrong. Under what circumstances are these variations used?
Fuga
Hey @Hadros232232 !

を契機に is usually used in writing, or when the speaker is talking about social issues or historical topics, but きっかけに is usually used when talking about yourself.