try conclusions

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The Sheriff himself was not anxious to try conclusions again with Robin in the open.
Now, Locksley,'' said Prince John to the bold yeoman, with a bitter smile, ``wilt thou try conclusions with Hubert, or wilt thou yield up bow, baldric, and quiver, to the Provost of the sports?
All this the gentleman was observing, and with astonishment, more especially when, after having wiped himself clean, his head, face, beard, and helmet, Don Quixote put it on, and settling himself firmly in his stirrups, easing his sword in the scabbard, and grasping his lance, he cried, "Now, come who will, here am I, ready to try conclusions with Satan himself in person