Ainda não temos significados para "be no vacillation".
1There must be no vacillation.
2Her face was thrust forward, her chin projecting, with tragic horror; but there was no vacillation even in her chin.
3There was no vacillation or indecision, but a deliberate concentration of all his faculties upon the task set before him.
4She knew she was wicked now-very, very wicked-butit was again characteristic of her that having made her decision there was no vacillation about her.