HARD (ER) KANJI - JLPT 2 KYUU
雲
ウン
,
くも
- cloud
暗雲
an un
- dark clouds
星雲
sei un
- galaxy
雲隠れ
kumo gakure
- disappearance, suddenly disappear
雲海
un kai
- sea of clouds, looking above clouds (in a plane)