I beg you, from the bottom of my heart, to spare his life.

我诚心诚意地恳求你饶他一命吧。

《牛津词典》

There is no need for you to beg others for survival.

你不需要向别人乞讨才能生存。

youdao

I'm writing this letter to beg you for your forgiveness.

我写这封信是为了请求你的原谅。

youdao

So,I beg you to accept me for a journey to America."

VOA: special.2010.05.13

and literally beg you for whatever they want like, if it's money, something to drink, food.

求你给他们一些东西，钱、喝的、食物，什么都可以。

流浪者们很奇怪 - SpeakingMax英语口语达人

"It's a begging situation where you have to beg them to take your fish."

VOA: standard.2010.07.19

Lest you scoff at my predilection for elementary-level reading (the book is rated for ages four to eight), I beg you to look past the pastel illustrations and sing-songy cadence of the writing and see this book for what it is: a beautiful script about parenthood, a poignant parable about life and death, a testimony to when the roles of child and parent become blurry.

FORBES: A Mother's Day Reading List

So, I beg you to consider these four questions the next time you have a negative experience with your agency.

FORBES: The Agency Review: Sometimes The Pitch Is Best Left Unpitched.

Smart fridges and pantry cupboards will beg you to order more yoghurt and thoughtfully anticipate your last few servings of whatever the vendor is trying to sell.

FORBES: Move up http://i.forbesimg.com t Move down