words fail me when i try to express my heartfelt gratitude to the help you rendered me. your prompt and favorable attention to my inquiry would be highly appreciated.
我无法用言语当我尝试你渲染我的帮助表示衷心的感谢。你的提示和良好的关注我的询问将高度赞赏。
words fail me on how impressive this is.
失败的话我就如何,这是令人印象深刻。
words fail me when i want to express my gratitude to you for reading through this letter.
我对您能读我这封信的感激之情无以言表。
words fail me to describe my feelings.
我找不到适当言辞来表达我的感情。
words fail me where silent smiles and tears well express my innermost feelings.
言语是不够的,只有独自微笑或落泪才能把内心的感受表现的更外面一些。