Question

のん

1文目のlike that coop up
ここの構造がよく分かりません。
thatは関係代名詞で、likeは補助的な感じでしょうか？

訳は｢そんな大きな犬を一日中家に閉じ込めておくなんてよくないわ｣です。
教えてくださると嬉しいです🙇‍♀️ ̖́-

: It wouldn't be nice to keep a big dog like that cooped up at home all day.
I felt sorry enough for the cat we had.
: Alright. Maybe we can have one when we move to a bigger house in the
future.