grab at

基本解释

He was clumsily trying to grab at Alfred's arms.
他笨手笨脚地想抓住艾尔弗雷德的手臂。
Then there are the few brae souls who grab at its horns and hang on at all costs.
只有极少数的灵魂不畏艰险，不惜一切。
www.on-line-degree-1.net
While I have quite little, and just stick everything into a drawer, I sometimes dream about new ways to organize them so they’re easy to grab at a moment’s notice.
尽管我没有多少厨房用具，而且只随便把它们扔在抽屉里，有时候我还是会思考一些新方法去收拾它们，这样的话，我着急用的时候一下子就能拿到了。

So, if we take a look at what a single bond is, and let me grab some molecules here.
如果来我们看一下单键，让我拿个分子。
麻省理工公开课 - 化学原理课程节选
And now we're asking you to look at krypton, so the atomic mass is 36. You can actually just grab that handout the second handout on the exam and look at the periodic table there. So, which of the following ions listed is isoelectronic with krypton?
现在我们请大家来看一下氪原子，它的原子量是，36，大家其实可以拿出这张讲义,第二份关于考试的讲义,看一下上面的周期表，那么，下列离子中，哪一个是与氪原子是等电子的？
麻省理工公开课 - 化学原理课程节选
If you decide to opt in by a pass fail, I just need to sign your white study card or if you wanna decide before the 5th Monday, just grab the pink slip and I can sign that and you can turn that in at any point and I'm happy to chat during break today or after class if you have any questions or concerns.
如果你上我们的课程只是要一个分数，那么我只需要在你的白卡片上签个名就可以了,或者说，如果在第五周的周一前还没考虑好，把你的解聘书拿来，只要我签个字,任何时候你都开以离开我的教室,当然，如果你有任何问题和疑虑,我也很高心和大家做课下交流。
哈佛公开课 - 计算机科学课程节选

So you have to grab at least 50% of the market for this to be defined as a success?
ENGADGET: The Engadget & Joystiq Interview: Steve Ballmer, CEO of Microsoft