Say so. if grateful. Think so. felt sad.

说太多。不如沉默。想太多。就会难过。

youdao

She felt, if not grateful for her own situation, at least a little more reconciled to it.

她觉得，即便对自己的处境不心存感激，至少能将就一些了。

《柯林斯英汉双解大词典》

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

你要是不把这消息传出去，我会不胜感激的。

《牛津词典》

"And I long for the day when that modifier can be a moot point, but I'm ever grateful if I can inspire some young intrepid tenacious male or female filmmaker, and have them feel that the impossible is possible.

VOA: standard.2010.03.08

I would be grateful if you would wait until that point if at all you possibly can. It just makes the whole thing work a little easier and it prevents that drop in the pit of my stomach when I see half of the class leave.

我将感激不尽,这样会好一点,以免我看到半数人走掉时,心情会受到影响。

耶鲁公开课 - 1945年后的美国小说课程节选

Would it be grateful if another country were to jeopardise the process by arresting Gerry Adams?

ECONOMIST: General discussion

They are grateful if they are still employed, although some note that employment conditions are becoming more exploitative.

CNN: Greece: When anger goes beyond despair

Considerable embarrassment was caused by your assertion and we would be grateful if you would set the record straight.

ECONOMIST: Simple answers