例句：
I can't express how grateful I am.
我說不出我有多么感激。
These refugees are very grateful to the government's succor.
這些難民非常感激政府的救援。
I am grateful for all your past kindness.
多蒙關照,萬分感激。
I'd be grateful if you should let me know as soon as possible.
你若能讓我盡快知道,我會很感激的。
The trees afford grateful shade.
這些樹能為（行人)提供納涼之所。