失望
真让人失望!
What a disappointment!
I didn't get a raise. What a disappointment! (没有给我提薪，真让人失望!)
That's too bad. (太遗憾了。)
What a let down!
I'm disappointed with it.
This is disappointing.(这真令人扫兴。)
太遗憾了!
What a pity!
I couldn't go. (我没去成。)
What a pity. (太遗憾了。)
What a shame!
What a shame! (多倒霉!)
Isn't it though? (就是呀!)
What a bummer!
Bummer! *口语中用来表示事情的进展不像自己所想象的那样。
Too bad! (太糟糕了。)
I failed the exam. (我考砸了。)
Too bad. (太糟糕了。)
That's too bad!
白费力了。
It was a waste of effort. *waste “浪费”、“白搭”，effort表示“努力”、“费尽力气”。
It was a waste of my effort.
My effort was wasted.
All my effort went down the drain.
白费劲。
a wild-goose chase *wild goose表示“过路的大雁”，chase意为“追赶”。会话中常用。
Did you find him. (你找到他了吗?)
No, he led me on a wild-goose chase. (没有，白费了半天劲。)