stop up
1．not go to bed不睡觉
We will be home late，so please do not stop up for us．我们回来得迟，请不要为我们守夜。
She often stops up till he gets home．她常等他回家后才睡。
2．seal up封住；堵住
The gutter was stopped up with fallen leaves and the rain water could not flow away．水沟被落叶塞住了，雨水流不出去。
She stopped up her ears to keep the noise out．她堵住耳朵隔绝噪音。
My nose is stopped up with the cold．我的鼻子因感冒不通气。