Translation of "Bland" in Japanese

I just moved in so my room is still quite bland.

引っ越してきたばかりだから、まだ部屋が殺風景なんだよ。

"Well, it's hot again today, isn't it?" "That's one more time you've started with a bland topic."

「いやー、今日も暑いね」「また当たり障りのない話を振ってきたわね」