get the butterflies

今天在看CBC多倫多線上新聞的時候聽的的片語，差一點就聽不出來。
a grab bag of project all over the Go system

在大聯盟官網上看到的，差一點就看不懂。
You still get the butterflies, you still get the sleepless nights. It's good. It's like that excitement, it's that nervous energy. And that's what you're looking for," Mets third baseman David Wright said.

這是obama在捷克的演講
there have been times where America's showed arrogance and been dismissive, even derisive. "But in Europe, there is an anti-Americanism that is at once casual but can also be insidious.

Google's ambitious plan to offer a 3-D street level view of communities across three continents hit a snag when angry residents of a UK village blocked the search engine's camera car from photographing their homes.

這是加拿大人抱怨總是買不到新的科技產品，往好的方面想，可以累積需求的能量。
Rather than turn off people, having to wait may actually build up pent-up demand.

Students pitch in as Winnipeg fights rising Red River
Everyone pitched in with efforts to entertain the children.

必備單字、片語

grab bag of---a mixture of different things or styles
　The treaty covers a grab bag of issues.
If you have butterflies (in your stomach), you are very nervous or excited about something. (INFORMAL)
An exam, or even an exciting social event may produce butterflies in the stomach.
dismissive --refusing to consider someone or something seriously
derisive ---showing that you think someone or something is stupid or silly
an insidious change or problem spreads gradually without being noticed, and causes serious harm
hit a snag----To encounter an unexpected problem or delay
pent-up feelings or energy have not been expressed or used for a long time
　years of pent-up anger and frustration
pitch in
to join others and help with an activity
　If we all pitch in, we'll have it finished in no time.
pitch in with　
to join others and pay part of the money towards something
　They all pitched in and the money was collected within a few days.