As they grew more mobile, we let them move freely around the house during the day, but when we were asleep we had to contain them in a large room, otherwise they'd get up to mischief.

随着它们越来越好动，白天我们让它们在家里自由活动，但当我们睡觉时，我们必须把它们关在一个大房间里，否则它们就会胡作非为。

youdao

As they grew more mobile, we let them move freely around the house during the day, but when we were asleep we had to contain them in a large room, otherwise they'd get up to mischief.

随着它们越来越好动，白天我们让它们在家里自由活动，但当我们睡觉时，我们必须把它们关在一个大房间里，否则它们就会胡作非为。

youdao