I really don't think this is such a good idea.You've got to think twice.
我真不认为这是个好主意。你应该三思而行。
Come on,Don't throw a wet blanket on my plans.You are the last person that I can trust.
不要这样,别泼冷水,你是我最后一个可以信任的人了。
The deadline is coming.There is no hope that you can manage it.It's too complicated.
截止日期马上就要到了,你不可能成功,事情太复杂了。
Yeah,really?I will still give it a shot.Don't always throw a wet blanket on my plans.
哦,真的吗?我还是会试试的,别老给我的计划泼冷水。
精讲部分
Don't persuade me to give up.
Don't throw a wet blanket on my plans.
Wet blanket是“湿毯子”,但其实可以比喻“扫兴的人,扫兴的事”,throw a wet blanket on也就是我们常说的“泼冷水,扫兴”。