Perhaps worst of all, the Americans, without whom no durable deal can be done, have seemed to vacillate, with neither a vision nor a plan.
You can tell when they're stressed out they'll equivocate and vacillate.
Nevertheless, he continued to vacillate, like Hamlet, in the execution of his filial obligation to his late father's request.
Such parents vacillate between saying no and giving in -but neither response seems satisfactory to them.
