生活英语手册 115（7.情感的表露－7.6失望与沮丧

　　多令人失望啊!
How disappointing!
真令人失望。
It's disappointing.
我很失望。
I'm rather disappointed.
你让我失望。
You let me down.
他没有我想象的那么好。
It wasn't as good as I expected.
真可惜。
What a shame!
很可惜。
That's a real pity.
太糟糕了。
That's too bad.
那只是白费力气。
That was a waste of effort.
都是我不好。
It's all my fault.
我搞杂了。
I screwed¹ up.
白费我那么多的努力。
All that for nothing.

1 screwed   

adj.用螺丝拧紧的，螺丝状的，喝醉的v.用螺丝拧紧( screw的过去式和过去分词 )；拧上去；（和某人）性交；诈骗（钱财等）

参考例句：

• an extremely screwed-up kid 一个十分神经质的孩子
• He screwed up his face at the nasty smell. 闻到这令人作呕的气味，他皱眉蹙额。 来自《简明英汉词典》