識英文 知時事：see, spot, smell, etc. something a mile off 早看出?

據 CNN報道，普金下令俄軍進入烏克蘭（Russian President Vladimir Putin orders Russian troops to enter two separatist-held regions in Ukraine）。普金之所以會動手是因為摸到了西方的底牌，媒體稱Putin smells Biden' weakness a mile away 。see, spot, smell, etc. something a mile off指早知道，例如：

To see or predict something well in advance of it actually arriving or happening. I can see where this conversation is heading a mile off.The car is so obnoxiously large that you can see it a mile off.