puzzle out
 思索出,揣測出,推敲出
 puzzle out
      v : find the solution to (a problem or question) or understand
          the meaning of; "did you solve the problem?"; "Work out
          your problems with the boss"; "this unpleasant situation
          isn't going to work itself out"; "did you get it?"; "Did
          you get my meaning?"; "He could not work the math
          problem" [syn: solve, work out, figure out, lick,
           work]