JLPT N1 Advanced
一線
A physical line, a figurative boundary, or the active forefront
Readings
Other forms
第一線 dai-issen - the very front line, the top level
1 Noun
A Boundary / A Limit
A defining limit or clear distinction between two concepts or behaviors.
Example
冗談 で も 、 越えて は いけない 一線 が ある 。
Even as a joke, there's a line you shouldn't cross.
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2 Noun
The Front Line / The Forefront
The active front line of a profession, movement, or activity.
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3 Noun
A Line
A single, distinct stroke, ray, or physical strand.
Usage notes & examples
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