downfall
n[sing]
1 fall from a position of prosperity or power 衰落; 败落; 垮台
Greed led to his downfall. 他贪得无厌而导致身败名裂.
2 thing that causes this 衰落、 败落、 垮台等的原因
His vanity was his downfall. 他因虚荣心太重而垮台.
Please excuse me for a little while.I want to do something.
请等我一会儿时间,我要做点事。
Nor could he have foreseen how we could use the Internet to obtain information on every known subject, so we can read it on a screen in our homes and even print it as well if we want to.