"封闭的心灵"用英语可以说成 "closed-minded"。

"Closed-minded" 来源于英语中的 "close"，意思是关闭，隔绝。加上 "minded" 后指的是思维，即关闭心扉，不愿意接受新思想和新观点。

例句：

He is closed-minded and unwilpng to consider new ideas. 他心胸狭窄，不愿意考虑新思想。
Don't be closed-minded. Listen to other people's opinions. 不要心胸狭窄，听取别人的意见。
She is very closed-minded and refuses to see things from any other point of view. 她心胸狭窄，拒绝从其他角度看事情。