I'm sick and tired of it. 

我对这件事感到恶心，厌倦。

be sick and tired of...

对...感到厌烦/恶心

I'm fed up with studying French. 

我讨厌学法语。

be fed up with..

对...感到厌倦

I'm so tired of listening to techno music. 

我非常讨厌听电子音乐。

I can't do this work anymore. It's the same thing over and over again. 

这份工作我再也做不下去了，总是在一遍一遍地重复。

Is there anything more tedious than this?

还有比这更无聊的吗？

tedious

/ˈtiːdiəs/

乏味烦人的

I'm so angry that I'm speechless. 

我气得话都说不出来了。

speechless

无语的

I'm not happy with the television I bought. 

我对我买的电视机不满意。

not happy with..

对..不满意

The service here is awful.

这里的服务太糟糕了。

awful

糟糕的

This is the worst service I've ever encountered. 

这是我遇过的最糟糕的服务。

This is pathetic. 

太令人生厌了。

pathetic

/pəˈθetɪk/

差劲的；不足的（非正式）

A: Excuse me, waiter. This food is terrible. The steak is under cooked and the potatoes are cold.

服务员，这食物太糟糕了，牛排没熟，土豆是凉的。

B: I'm sorry. I'll take it back right away and bring you out a new dish. 

非常抱歉，我这就拿回去给您换一份新的。

A: How is your new car?

你的新车怎么样？

B: Oh, don't mention it. It's caused me nothing but trouble since the day I bought it.

别提了，自从我买了它那天起，它就一直给我惹麻烦。

A: Really? What's the problem? You seemed so happy when you decided to buy it.

是吗，怎么回事？你决定买车的时候看起来可是很高兴啊。

B: Where do I start? First, the brakes went and then like a week later I started having engine problems.

从哪说起呢？先是刹车坏了，然后大约过一个星期吧，车的引擎就开始出问题了。

Where do I start?表示“我该从何说起呢”？在文中表示由于车的问题太多，不知从何提起。

A: That's too bad. Didn't you bring it in to have them take a look at it?

太糟糕了，你没把车开回去让他们检查一下吗？

B: That's another story altogether. When I brought it back, they said I 

waived

the 

warranty

 in the contract that I signed. I told them they never said anything about a warranty. We went back and forth and finally I got fed up and walked out. 

那就是另外一回事了，我把车开回去的时候，他们说根据我签的合同，我已经放弃了保修。我跟他们说他们从来没有跟我提过什么保修的事，我就这样反反复复的争吵，最后我实在忍不了了就走了。