Ko
(
コ
)
tsu
(
ツ
)
Ko
(
コ
)
tsu
(
ツ
)
App Store
Google Play
Vocabulary
N5
Day 9
忙しい
New
忙しい
忙しい
いそがしい
busy
i-adjective
native Japanese
Lv.1
Again
1
Hard
2
Good
3
Easy
4
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