open
up
1．unwrap；undo（a parcel，etc．）打开；解开
*The surgeon opened up the man's stomach to get
at the source of the trouble．外科医生切开了这个人的胃来查清病源。
*Open up the boot of the car，and let me look
inside．打开汽车的行李箱，让我看看。
2．begin to fire开火；发动攻击We held our ears as the
machine guns opened up．机枪开火时我们堵住了耳朵。
*Our players opened up with forward
passes．我方球员向前传球，发动了攻势。
3．make clear；reveal揭示
*After hours of grilling the prisoner opened
up．几小时的审讯后，犯人终于把秘密说了出来。
*Einstein's theories opened up a whole new area
for study．爱因斯坦的理论揭示了一个全新的研究领域。
4．make sth．available for use or
development开发；开辟
*The building of the railway opened up new land
to the pioneers．铁路的建成为先驱者们开辟了新的土地。
*We're being forced to move because the council
wants to open up the whole area for redevelopment．我们只好搬家，因为委员会准备对这个地区再开发。
5．talk frankly and honestly直率、坦诚地说
*After a few drinks he opened up and told us all
his problems．酒下肚后，他才开口说话，把他所有的问题都告诉了我们。
*After John trusted Mr．Jones，he opened up and
told him how he felt．约翰信任琼斯先生之后，便与他直言相谈，告诉他自己的感受。
6．develop，arise or emerge，esp．of
possibilities，prospects，opportunities变得有可能；出现（机会）Quite unexpectedly a chance has
opened up for Henry to go and work abroad．出乎意料，亨利得到了去国外工作的机会。
7．open the door开门
*Mother，open up！I'm home．妈，开门！我回来了。
8．speed up加速
*He opened up and drove straight towards the
stadium．他加快车速，直驶体育场。
*When they got out on the highway，the driver
opened up and drove at 60 miles per hour．他们一上公路，司机便加快车速，车速竟达每小时60英里。
