Bienvenido a Reverso.net, servicio gratuito de traducción en línea para inglés, francés, alemán, italiano, ruso, chino
thumb 
  n 
1 pollex 
2 all thumbs  butterfingered  (informal) cack-handed  (informal) clumsy, ham-fisted  (informal) inept, maladroit 
3 thumbs down  disapproval, negation, no, rebuff, refusal, rejection 
4 thumbs up  acceptance, affirmation, approval, encouragement, go-ahead  (informal) green light, O.K.  or  okay  (informal) yes 
  vb 
5 hitch  (informal) hitchhike 
6  (often with)   through browse through, flick through, flip through, glance at, leaf through, riffle through, run one's eye over, scan the pages of, skim through, turn over 
7 dog-ear, finger, handle, mark 
8 thumb one's nose at  be contemptuous of, cock a snook at, deride, flout, jeer at, laugh at, laugh in the face of, mock, ridicule, show contempt for, show disrespect to