pin down造句

• We were all pinned down by enemy fire .
  我们都被敌人的火力压制住了。
• She is a difficult person to pin down .
  她这人行事、说话没个准儿。
• He was pinned down by his attackers .
  袭击他的人把他按住了。
• It was difficult for me to pin down the subject .
  对我来说，要弄清楚这个问题很困难。
• The identity of each sex is not so easy to pin down .
  确定男女各自的特征并不那么容易。
• To pin down the size of an orbital, we take a contour surface .
  为束缚住轨道的大小，我们取一等值面。
• He is as slippery as an eel and simply refuses to be pinned down on anything .
  他很圆滑，什么事情都不肯承担责任。
• The task of their regiment was to pin down one of the flanks of the invading army .
  他们团的任务是牵制侵略军的侧翼。
• They plan further work in the area to try to pin down the factors responsible .
  他们打算在这一地区再做些工作以期确证这些起作用的因素。
• It is never possible nowadays to pin down any date within a year or two .
  要把任何日期确定下来，误差不出一两年，在当今的时世里，是永远办不到的。
• Within the smaller area more intensive observations are made to pin down prequake signals .
  在较小的区域内，还要进行更慎密的观察以便记录临震信息。
• I've got a good nose-once i'm on the trail, i don't leave it-not till i've pinned down my quarry .
  我的嗅觉很灵--我闻出气味不正，就紧追不舍一直到我的猎获物束手就擒才罢休。
• Great britain's air force and, to a lesser extent, her ground and sea forces were largely pinned down to the defense of her home country .
  英国空军及其小规模陆海军，均着眼于基本上的防御。
• The vietnamese have broken our heart several times before, and we just can't assume success until everything is pinned down .
  越南人以前曾几次伤我们的心，所以在一切敲定之前我们还不能说成功。
• You must pin down every quotation to its author
  你一定要确定每一条引文的作者是谁。
• Our soldiers know how to pin down the enemy
  1我们的战士知道如何牵制敌人。
• He refused to be pinned down on the question
  他拒绝对这个问题明确表态。
• Osean g pinned down by crossfire ! we can ' t advance
  我军陷入交叉火力当中!不能向前推进了
• John ' s leg was pinned down under the car after the accident
  事故中，约翰的腿被压在车身底下。
• Saudi arabia is hard to pin down
  要给沙特阿拉伯定位是困难的。