fiddle

[1]	fiddle with , meddle (with) , tamper (with) , interfere (with) , alter , falsify , fix , cheat , swindle , flimflam , (Colloq) finagle , (Brit) cook
[2]	fiddle with/about/around , shirk , shrink from , toy/trifle/fidget (with) , twiddle/play/tinker (with) , goldbrick , fool/fuss (with) , (Colloq) mess/muck (about/around) (with) , frivol (away) , monkey (around) (with)
[3]	toy , diddle , play
[4]	tamper , monkey
[5]	tinker

[1]	violin
[2]	(Brit) swindle , fraud , racket , thimblerig , (US) shell-game , (Slang) skin game , funny business , monkey business
[3]	violin , viola , viol , cello , violoncello , kit