sit on fence (verb) hesitate: wait; be uncertain
Sinonime: alternate,
balance, balk, be irresolute, be reluctant, be unwilling, blow hot and cold, dally,
debate,
defer,
delay,
demur, dillydally, dither,
doubt,
equivocate,
falter, flounder,
fluctuate, fumble, hang back,
hang*, hedge, hem and haw,
hold back, hold off,
hover,
linger,
oscillate,
pause,
ponder, pull back, pussyfoot, scruple, seesaw,
shift,
shrink, shy away, sit on fence, stammer,
stop, straddle,
stumble, stutter, swerve, tergiversate, think about, think twice,
vacillate, waffle,
waver, weigh
Antonime: attack,
carry on,
continue,
go, go ahead,
persevere,
resolve