1.(prevent from entering)to shut sb/sth out or to shut out sb/sth
+ person把…关在外面；阻止…进入
I'd forgotten my key and he shut me out.我忘记带钥匙, 他就把我关在了门外。
to shut sb out of sth把某人关在某处外；+ cold把…挡在门外；防止…进入
Close the door to shut out the cold.关上门, 别让寒气进来。
+ noise防止…进入；隔绝
He covered his ears to shut out the noise.他捂住耳朵, 想挡住噪音。
+ light遮挡
2.(exclude)to shut sb out or to shut out sb
+ person排斥；拒绝接纳
She had effectively shut him out by refusing to listen.她拒绝听他的话, 实际上把他排斥在外。
3.(restrict)to shut sth out or to shut out sth
+ view限制；挡住；围住
The tall trees shut out the view.高大的树木阻挡了视野。
4.(try not to think about)to shut sth out or to shut out sth
+ memory, thought, feeling努力不去想；试图不考虑
He shut out the thought.他努力不这样想。