4.to shut the door on sth
(not think about)拒不考虑某事
She tried to shut the door on what was happening in her life.她试图不去想生活中发生的事情。
(make impossible)堵死某事物的门路；使某事物不可能
The injury had shut the door on his chances of becoming a professional runner.这次受伤使他失去了成为职业赛跑运动员的机会。