GRAMMAR DETAIL
〜を境に
Presents a particular time or event as the boundary between two different states before and after it.
Examples
新しい橋の完成を境に、町の人の流れが変わった。
The flow of people through the town changed after the new bridge was completed.
Words used
夏休みを境に、生活のリズムが変わった。
My daily routine changed with the start of summer vacation.
Words used
Study notes
1. Origins, structure, and basic meaning
- Structure: Attach
を境にto a noun naming a time or event to mark the boundary between different states before and after it. - Basic usage:
新しい橋の完成を境に、町の人の流れが変わった。describes a change in the flow of people before and after the bridge's completion.
2. Common pitfalls and similar expressions
- Reading and role of 境
境is readさかい. In完成を境に, completion is the reference point separating the states before and after a change.
- Focus compared with を機に
転職を境に生活が変わったfocuses on the difference before and after changing jobs.転職を機に運動を始めたfocuses on taking the job change as an occasion to begin a new activity.