over, throughout, spanning

Beginner

15-20 min

common

Expert Reviewed

Explanation

Indicates extent in time or space.

[Noun] + にわたって

10年にわたって研究を続けた。

Juunen ni watatte kenkyuu wo tsuzuketa.

I continued research over 10 years.

広い範囲にわたって、被害が出た。

Hiroi han-i ni watatte, higai ga deta.

Damage occurred over a wide area.

Emphasizes the extent or span.

～を通じて/を通して

through, throughout, via

～に違いない

must be ~, no doubt that ~, undoubtedly

～に関して/関する

regarding ~, concerning ~, about ~

～について/つい

about ~, concerning ~

～に伴って/伴い/伴う

along with ~, as ~ (changes)

Used for long periods or wide areas.

JLPTBooks Editorial Team

Japanese Language Education Specialists

Last updated: Jan 2

Study with our comprehensive grammar guides and practice materials.