to stop someone or something from entering or getting back inside a house or other building

The wind blew the door closed behind me and now I'm shut out (of the house). 风在我身后把门关上了，现在我被关在了（房子的）外面。

Don't forget to shut the cat out when you leave for work. 出门上班时，不要忘记把猫关到门外。

to not include a person or organization in an activity

Anna felt shut out of the conversation. 安娜觉得自己插不上话。

What are the chances of peace if we shut the terrorists out of negotiations? 如果将恐怖分子排除在谈判之外，和平的可能性有多大呢？

to stop yourself thinking about something that upsets you or feeling something that hurts you

She finds it impossible to shut out the memory of the accident. 她发现自己不可能忘记那次事故。

to prevent a sound or light from being heard or seen

The double glazing shuts out most of the traffic noise. 双层玻璃阻挡了大部分交通噪声。

She pulled the blankets over her head to try to shut out the light. 她拉起被子蒙住头，试图挡住光线。

to prevent your opponent in a sports competition from scoring any points

She had shut out two of her first four opponents. 她淘汰了4名对阵选手，其中两名沒有得一分。