You are expected to answer the call with immediate actions and not with vacillation.
Once again my efforts to organize an effective war economy had been ruined by hitler's vacillation.
His constant vacillation make him an unfit administrator
The experiment results show that when other initial parameters are kept constant, the heat and mass transfer of falling film absorption under the condition of normal vacillation of fishing vessels is better than that in static status ; the amplitude and period of vacillation directly influence the performance of the absorber and an adequate decrease of vacillation period or vacillation amplitude is beneficial to the absorption performance
The vacillation between all the plans that were proposed and the inability to fix on any one of them, was more marked than ever after the tsar had been for a month at headquarters