beg (sb) (for sth) | ~ (sth) (of/from sb)恳求；祈求；哀求；
例如She begged that she be allowed to go.
Don\'t leave me here, I beg of you!
别把我扔在这儿，求求你！
He wants to see them beg for mercy.
他想亲眼看着他们求饶。
We managed to beg a meal from the cafe owner.
我们设法向咖啡馆老板讨了一顿饭。
