A pretty clean room with 相当
Kanji Explanation: Mutuality and appearance with 相
Hiro lets Mao move into his sister’s bedroom, as Hina is living with relatives. After, he comes up with a list of rules that Mao needs to follow if she’s to keep living there.
- 基:
- 「…さて 片付け…」
- “Now then, cleaning...”
- 「できるのかな おまえ…」
- “I wonder if you can do it.”
- 「俺 陽菜の部屋相当キレイにしてたんだぞ」
- “I kept Hina's room pretty clean, you know.”
相当 is used adverbially here.