You may have heard of white noise being used to cover or hide background sounds.

你可能听说过白噪音被用来掩盖或隐藏背景声音。

Or maybe they make too much noise, use your belongings or rarely do their share of cleaning.

或者他们制造了太多的噪音，使用你的物品，或者很少做他们应该做的清洁工作。