a nod's as good as a wink to a blind horse
- used to convey that a hint or suggestion can be or has been understood without the need of further elaboration or explanation
nod to criticism nod 是點頭，引申意思為「認同」agree 。 Obama 拿諾貝爾和平獎引起很多批評，這裡 nod to criticism 是說 Obama 本身在得獎演說中，也謙虛地認為比起以前得和平獎的前輩，自己成就實在不大。所以標題用 認同別人的批評。
nod to me 是對我點頭的意思 tonk & pop 在這裡都是狀聲詞 用來表示公牛...
Every mile or so, they would come to a checkpoint where a guard would nod silently to the procession, as if granting their wish to continue the trail. 翻譯...