be deeply grateful be indebted forever be effusive in one´s gratitude have no way to express all one´s gratitude
This has been so nice, so terribly kind of you.
您这么做真是太好心,太令我们感激不尽了。
—— 柯林斯例句I´d appreciate some feedback on my work.
如果有人对我的工作提出意见我将感激不尽。
—— 给力词典精选We would appreciate confirmation of your refusal of our invitation to take part.
若您确认拒绝我们的邀请不能参加,我们将感激不尽。
—— 柯林斯例句You have been so kind to us that we shall always feel we are deeply in your debt.
你待我们太好了,我们将永远感激不尽。
—— 给力词典精选Overwhelmed with gratitude, Hung - chien said, " Thank you, thank you. "
鸿 渐 感激不尽道: “ 谢谢你, 谢谢你 —— ”
—— 给力词典精选