| shudder(noun, verb, move, withdraw, retreat) |
| sparkle(verb, flash, glow, blaze, glimmer) |
| stick at(verb, phrasal verb, unbelief doubt) |
| trim(verb, hesitate, falter, vacillate, dither) |
| turn(verb, twist, shake, bow, lean) |
| twinkle(verb, flash, glow, sparkle, glimmer) |
| wag(noun, verb) |
| warble |
| bat(verb, beat, wave, tremble, flap) |
| be apprehensive of(verb, dispute, challenge, doubt, question) |
| be curious(verb, dispute, challenge, doubt, question) |
| be dubious(verb, dispute, challenge, doubt, question) |
| be in a quandary(verb, dispute, challenge, doubt, question) |
| be irresolute(verb, expression, idiom, pause, hesitate) |
| be puzzled(verb, dispute, challenge, doubt, question) |
| be uncertain(verb, dispute, challenge, doubt, question) |
| be undetermined(verb, dispute, challenge, doubt, question) |
| beat(verb, shake, wave, tremble, flap) |
| blench(verb, withdraw, retreat, dodge, hesitate) |
| bumble(trip, fall, falter) |