double whammy

[美俚]令人震惊的事情接连发生，祸不单行

Mary lost her car yesterday and her job today. It was a real double whammy.

玛丽昨天丢车，今天丢工作，真是祸不单行。

注解：

double意指双重的、双倍的，whammy意指晦气、坏运气；

a double whammy系指极为晦气，喻指祸不单行。

get worked up about something

[俗]为某事感到焦躁不安

Don’t get worked up about it though you can’t find the best solution to the problem.

尽管你找不到最好的解决办法，也不要为此太烦心。

注解：
work意指工作；

to get worked up about something系指使工作不停，喻指为某事烦忧。

push comes to shove
[俚]本来很棘手的形势更加恶化了

If push comes to shove, what will American soldiers do?
如果形势恶化，美国士兵会怎么做呢？

注解：
push指“推”，shove指“猛推”；to push comes to shove指由推搡变成猛推，喻指形势更加恶化。