| seesaw(verb, pause, hesitate, falter, balk) |
| shift(verb, pause, hesitate, falter, balk) |
| shrink(verb, pause, hesitate, falter, balk) |
| shrink from |
| shy away(verb, expression, pause, hesitate, falter) |
| sit on fence(verb, expression, idiom, pause, falter) |
| stammer(verb, pause, hesitate, falter, balk) |
| stand aloof |
| stickle(verb, stick, question, pause, shy) |
| stop(verb, pause, hesitate, falter, balk) |
| straddle(verb, pause, hesitate, falter, balk) |
| stumble(verb, stick, question, pause, shy) |
| stutter(verb, pause, hesitate, falter, balk) |
| swerve(verb, pause, hesitate, falter, balk) |
| tergiversate(verb, pause, hesitate, falter, balk) |
| think about(verb, expression, phrasal verb, stop, pause) |
| think twice(verb, expression, pause, hesitate, falter) |
| think twice about(verb, expression, idiom, phrasal verb, stick) |
| turn down |
| unwilling |