unstring my guitar.    From Wordnet, Princeton University. 

Verb (used with object), : to unstring a violin. ,to unstring beads. ,to unstring a bow.    From Dictionary.com. 

Tyorl returned the arrow to his quiver, but did not unstring his bow.    From Wordnik.com.  [Stormblade]

If my words did glow with the gold of sunshine And my tune were played on the harp unstring.    From Wordnik.com.  [Ripple: A Minor Excursus, by William C. Dowling] Reference

           Why'd that neighbor kid unstring my doorbell and plug it with marshmallows?.    From Wordnik.com.  [Deep Pockets] Reference

We meet only an embarrassment of choice when we start to unstring the chaplet of our carking cares.    From Wordnik.com.  [The Simple Life] Reference

He was willing to allow her the usual proportion of female indisposition, but a continued story of such nightmare proportions was beginning to unstring his physical telephone system.    From Wordnik.com.  [Skookum Chuck Fables Bits of History, Through the Microscope] Reference

It took less than a single day to change these hairs from a jetty black to white, to weaken my limbs, and to unstring my nerves, so that I tremble at the least exertion, and am frightened at a shadow.    From Wordnik.com.  [Journeys Through Bookland, Vol. 8] Reference

Than that thou speak'st of, to unstring its firmness.    From Wordnik.com.  [Poems of Paul Hamilton Hayne,] Reference

"You are so sympathetic that such things unstring you.".    From Wordnik.com.  [The Desired Woman] Reference

"Now I pray thee to unstring it again," handing it to the bowman.    From Wordnik.com.  [Sir Nigel] Reference

Away then to loosen, to unstring the divine bow, so tense, so long.    From Wordnik.com.  [Complete Prose Works Specimen Days and Collect, November Boughs and Goodbye My Fancy] Reference

"Co-Tan," he said, "unstring your bow -- these are my friends, and yours.".    From Wordnik.com.  [Out of Time's Abyss] Reference

This last enabled them to unstring the bow when not in use (see page 183).    From Wordnik.com.  [Two Little Savages Being the adventures of two boys who lived as Indians and what they learned] Reference

We string and unstring our instrument because we don't believe enough in our song.    From Wordnik.com.  [Larry James' Urban Daily] Reference

To the arm of the righteous lend heroic strength, unstring the sinews of the false!.    From Wordnik.com.  [The Wagnerian Romances] Reference

There is one who shall chasten this body of thine, put out thy torch and unstring thy bow.    From Wordnik.com.  [Marius the Epicurean — Volume 1] Reference

I unstring my bow on the street that I may the better shoot with it when I am up among my quarry. '.    From Wordnik.com.  [Samuel Rutherford and some of his correspondents] Reference

The father taught his son how to string and unstring the bow, and also how to attach the arrow to the string.    From Wordnik.com.  [Myths and Legends of the Sioux] Reference

We do in fact as we grow older unstring the critical bow a little and strike a truce with invidious comparisons.    From Wordnik.com.  [Italian Hours] Reference

The similar fevers and exasperations of factory life lead the workers to unstring their tense nerves with liquor.    From Wordnik.com.  [The Art of the Moving Picture] Reference

If I had, I might ha 'whistled for another, for my father wasn't quite so ready to unstring as some other fathers I know of.    From Wordnik.com.  [Silas Marner (1885)] Reference

I also made sure that I purchased a "Take Down" bow; one that I could unstring myself, take the limbs off and throw into a case/bag.    From Wordnik.com.  [SurvivalBlog.com] Reference

Meantime, as if fearful that the continuance of the scene might too much unstring his master, the servant seemed anxious to terminate it.    From Wordnik.com.  [The Piazza Tales] Reference

But the constant mental fever under which he laboured was beginning to undermine a naturally-robust constitution, and to unstring the nerves of.    From Wordnik.com.  [The Golden Dream Adventures in the Far West] Reference

The morning is positive; in the evening we muse and dream and take our ease, we see our friends, we unstring the bow, we indulge our social instincts.    From Wordnik.com.  [The Last Harvest] Reference

She says: "I don't know whether I am weary of well-doing, but oh, if I could only unstring my bow for a few short months, I think I could take up my work with renewed vigor.".    From Wordnik.com.  [The Life and Work of Susan B. Anthony (Volume 1 of 2) Including Public Addresses, Her Own Letters and Many From Her Contemporaries During Fifty Years] Reference

She says: “I don't know whether I am weary of well-doing, but oh, if I could only unstring my bow for a few short months, I think I could take up my work with renewed vigor.”.    From Wordnik.com.  [The Life and Work of Susan B Anthony 01]

It took less than a single day to change these hairs from jetty black to white, to weaken my limbs, and to unstring my nerves, so that I tremble at the least exertion, and am frightened at a shadow.    From Wordnik.com.  [Tales.] Reference

"Of course, Susan, but don't you reckon a man wants to unstring himself once in a while?.    From Wordnik.com.  [The Jucklins A Novel] Reference

"Oh, a thing that might unstring a nervous, hysterical woman a few hours, perhaps, but it is no case of nerves or hysteria with her.    From Wordnik.com.  [Under Fire] Reference

That such emotion could so unstring Louis.    From Wordnik.com.  [Other Things Being Equal] Reference

To unstring the bow will not heal the wound.    From Wordnik.com.  [VERBATIM: The Language Quarterly Vol VI No 3] Reference

I'll unstring my bow, if you think that. ".    From Wordnik.com.  [The Cloister and the Hearth] Reference