捉摸的英文：
ascertain; fathom

参考例句：
  • The actual control condition at the root of the notch is more problematic
    在缺口根部的实际控制条件是更难捉摸的。
  • The actual control condition at the root of the notch is more problematic.
    在缺口根部的实际控制条件是更难捉摸的。
  • Charisma is one of those very elusive qualities.
    感召力是让人很难捉摸的一种能力。
  • I tried to consult with myself as to what I should do.
    我暗暗捉摸该采取什么对策。
  • The motions of her mind were as incalculable as the flit of a Bird
    她心思的流转就象鸟儿飞过一样无法捉摸
  • Though occasionally chatty, his moods were erratic.
    他虽然有时健谈，但是他的脾气却很难捉摸。
  • He waited for these strong words to sink into the hearts of his seafaring companions
    他等待着，让同舟共济的旅伴们细细捉摸这几句沉甸甸的话的含义。
  • Zhang's calligraphy is as unpredictable as his brushstrokes and character structures are unfathomable.
    张旭的字如"游云千万朵"，变幻莫测，下笔结体，都不易捉摸。
  • The motions of her mind were as incalculable as the flit of a bird(Edith Wharton)
    她心思的流转就象鸟儿飞过一样无法捉摸(伊迪丝·华顿)
  • What goes on in those office downtown, gretchen wondered
    那些商业区的办公楼里在搞些什么呢，格丽卿捉摸。
ascertain是什么意思：
v. 弄清，查明
  • Can you ascertain who he is?
    你能否查明他是何许人？
  • A photoelectric instrument for ascertaining cloud heights.
    云高计测算云高的一种光电设备
  • I am going to ascertain the truth.
    我将弄清事实真象。
  • Is the exact value of the missing jewels ascertainable?
    那些不知去向之珠宝的确切价值弄得清楚吗?
  • It is difficult to ascertain the tilt of plate and to segment the Characters in image.
    图像中牌照的方位确定、字符分割遇到困难。
fathom是什么意思：
v. 理解；推测；揣摩
n. 英寻（测量水深单位，合6英尺或8米）
  • The harbor is five fathoms deep.
    此港深五英寻。
  • It is not for me to attempt to fathom the inscrutable workings of Providence
    我并不想明白上帝神秘工作的义务
  • I can't fathom out how to run the machine.
    我弄不明白怎样开动这台机器。
  • It also makes the economic rationale of chief executives as a group hard to fathom.
    作为一个群体的首席执行官其薪酬合理性也就很难彻底了解。
  • the occult sciences.Something that is inscrutable cannot be fathomed by means of investigation or scrutiny
    神秘科学。表示通过检查或观察都无法明白的事物

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