1、mess up
搞砸;弄糟
When politicians mess things up, it is the people who pay the price.
政客们把事情搞砸的时候,埋单的是老百姓。
He had messed up one career.
他把一份工作弄砸了。
弄脏;弄乱
I hope they haven't messed up your video tapes.
我希望他们没把您的录像带弄乱。
干扰;搅乱;使不得安宁
That really messed them up, especially the boys.
那件事真把他们搅得天翻地覆,男孩子们尤受其害。
2、definitely
清楚地;明显地;肯定地;当然
I'm definitely going to get in touch with these people.
我肯定会跟这些人取得联系。
Something should definitely be done about that.
对此一定要采取一些措施。
明确地;确定地
He told them that no venue had yet been definitely decided.
他告诉他们还没有确定下场地。
3、discover
发现(以前不知道的事实)
She discovered that they'd escaped.
她发现他们已经逃跑了。
I discovered I was pregnant.
我发现自己怀孕了。
(第一个)发现
the first European to discover America.
第一个发现美洲大陆的欧洲人
In the 19th century, gold was discovered in California.
19 世纪时,在加利福尼亚发现了金子。