Translation guide
The English word "within" has several distinct uses: indicating a time limit, a spatial boundary, an internal state, or a range. Japanese uses different expressions for each, and direct translation is often unnatural.
I'll be back within 10 minutes.
Please reply within one week.
Means 'by (a deadline)'. Similar to 'within' when emphasizing a deadline rather than a duration.
Please submit it by tomorrow.
Used with time words like 今日 (today) or 今年 (this year) to mean 'while it is still (that time period)'.
Let's finish it within today.
To say that something is inside a physical area or enclosed space.
The most common way to say 'inside' or 'within' a physical space. 中 means 'inside'.
I'm within the building.
What is within the box?
More formal/literary word for 'inside' or 'within'. Used for interiors of objects, organizations, or bodies.
Means 'within the range/scope of'. Used for abstract or defined boundaries.
To say that a feeling, thought, or quality exists inside a person.
To say that something is inside a certain numerical range, budget, or set of rules.
To say that something is close enough to be seen, heard, or reached.
English 'within' often corresponds to different Japanese structures depending on context. Using a single word like 内部 for all cases will sound unnatural. Pay attention to whether you mean time, space, or abstract limits.
以内に emphasizes a duration from now (within X minutes/hours). までに emphasizes a deadline point (by Friday). They are often interchangeable but までに is more common for calendar deadlines.
There are problems within the organization.
I live within this area.
He kept his anger within.
I'm looking for a place within a 5-minute walk from the station.
I was within earshot of his voice.