你要是不把这消息传出去，我会不胜感激的。

I'd be grateful if you kept this information to yourself.

《牛津词典》

如果您能指出我的不足之处，我会不胜感激的。

I would appreciate it if you could point out my shortcomings.

youdao

如果他能以专家的眼光看一下它并告诉我他的想法，我将不胜感激。

I would be grateful if he could cast an expert eye over it and tell me what he thought of it.

《柯林斯英汉双解大词典》