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。)
前功尽弃。
all that for nothing. *事情进展得不那么顺利时，表示“我费了那么大的劲儿，我作出了那么多的努力，可是……”。
it was all a waste。
it was all for nothing。
你真让我失望。
you let me down。
i'm sorry i didn't come to your wedding. (对不起，我没能参加你的婚礼。)
yeah, you let me down. (是啊，我很失望。)
you disappointed me。
我真失策。
i blew it. *常用俚语，表示“失败”、“失策”、“干了一件蠢事”。
i blew it. i lost the customer. (我真失策，失去了那个客户。)
make sure it doesn't happen again. (再也不要发生这样的事了。)
i screwed up。
i messed up. (我给搞砸了。)
it's all my fault. (全都是我的错。)
毫无办法。
it can't be helped。
there's nothing you can do about it. (这事一点儿办法都没有。)
纯属浪费时间。
it's a waste of time。
how was it? (怎么样？)
it was a waste of time talking to him. (跟他谈话，纯属浪费时间。)
差不多了！
almost! *用来表示几乎就要成功了。
almost! (差不多了！)
nice try. (干得不错。)
我感到悲伤。
i feel sad。
what's wrong? (怎么了？)
i feel sad. (我感到悲伤。)
i'm sad。
i'm unhappy。
我感到非常痛苦。
i feel really sad。
i'm really sad。
i'm really unhappy。
哦！天哪！
oh, dear!
my dog died. (我的狗死了。)
oh, dear! (哦！天哪！)
oh, my!
alas! *旧的说法。
呜呜！
boohoo. *用在大声哭泣时，呜呜地哭。
我的心都碎了。
my heart broke。
i felt heart broken。
我的内心充满了悲伤。
my heart has been filled with grief. *be filled with… 表示“充满……”，grief 表示“极度悲伤”、“悲叹”。
那悲惨的故事使我心情抑郁。
the sad story depressed me. *depress 表示“使消沉，使沮丧”。
the sad story really brought me down. *bring…down “使……灰心丧气”。
真无情！
how ruthless!
she stole my customer. (她抢走了我的客人。)
how ruthless! (真残忍！)
how uncaring!
how cruel!
没人能知道我的感受。
no one can understand how i really feel。
please talk to me. (请跟我说说吧。)
no one can understand how i really feel. (没人能明白我的真实感受。)
no one can relate to me。
nobody understands my feelings。