preclude

v. /prɪˈkluːd/ C2

阻止；妨碍；排除

To prevent something or make it impossible.

仙境例句

Being half asleep did not preclude the Dormouse from saying treacle at the worst moment.

睡鼠虽然半睡半醒，却照样在最不该开口的时候说出了糖浆。