The cleansing cannot be stopped as it is vitally necessary, but as we have informed you on many occasions we are allowed to lessen the affects upon you.

大清洗是无法被阻止的，因为它是至关重要的，但是就像我们已经告知过你们的，在许多的场面中我们被允许去减轻对你们造成的影响。

youdao

But the spread of the disease cannot be stopped, and we cannot offer drugs to those who need them, unless people know their status.

可疾病的传播难以阻止，我们也无法对需要治疗的人给予药物，除非他们明白自身的状况。

youdao

Michael O'Hanlon of the Brookings Institution. "This kind of violence cannot be permanently stopped, and that we may be living with this for the rest of our lifetimes."

VOA: standard.2010.03.30

We cannot be stopped.

WHITEHOUSE: The White House