Ko
(
コ
)
tsu
(
ツ
)
Ko
(
コ
)
tsu
(
ツ
)
App Store
Google Play
Vocabulary
N5
Day 3
難しい
New
難しい
難しい
むずかしい
difficult, hard
i-adjective
native Japanese
Lv.1
Again
1
Hard
2
Good
3
Easy
4
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