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》

My teacher has given me useful suggestions and I want to thank him from the bottom of my heart.

我的老师给了我一些有用的建议，我从心底里想感谢他。

youdao

I thank you from the bottom of my heart for helping me solve this problem.

我从心底感激你帮助我解决这一问题。

youdao

I might speak from the bottom of my heart, or say things honestly and truthfully.

VOA: special.2010.07.11

From the bottom of my heart, I wish you all the success in the world.

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"From the bottom of my heart, I wish you nothing but the best for this upcoming season, " Sheen said.

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