To have (get) butterflies in your stomach means to feel very nervous about doing something.
For example, before taking a job interview you might feel nervous and say, “I have butterflies in my stomach.” A student who always feels nervous about giving an oral presentation to his classmates gets butterflies in his stomach.
cut the crap:
废话少说！
直接进入主题。
crap：废话
give sb a taste of one’s own medicine:
以其人之道还治其人之身
肯定的，坦率的
这个spade是黑桃的意思，在打牌的时候拿到黑桃的牌属于好牌，容易赢：-)
with flying colors:
出色地
He passed the exam with flying colors.
blend in:
融入（集体），合群
注意这里的in是adverb。
He blended in with the crowd very soon.
也可以用blend into
square away:
摆平
If you square something or someone away, you deal with them so that the situation is satisfactory.
e.g.
Negotiators have already squared away a lot of the agreements that will be signed at the Earth Summit.
谈判代表已经达成了大量的共识，并将在地球峰会上签署。
You can visit WordNet online or download the software from Download Page.
It is useful to find a synonym, if you think the word you are using is so plain and you want to switch to another one with the same inherent meaning:-)
For WordNet online, you can only search synonym, but you can find synonyms,antonyms,derivationally related forms,hypernyms,hyponyms,domain,etc using the standalone software.
It’s really wonderful!
By no means:
决不,并没有
These phrases is very good, but they are by no means the only ones of the best ones.
这些词组很棒，但是他们绝不是绝无仅有的。（潜台词：还有许许多多这类的词组，通常用来表达谦虚）