a nod is as good as a wink (to a blind man 或 horse, bat, beggar)
释义
a nod is as good as a wink (to a blind man 或 horse, bat, beggar) 〈口〉不用明言(或暗示)，心中有数 He gave me one look and I nipped out. A nod's as good as a wink, you know. 他朝我看了一眼，我就一溜烟跑了出去。这就叫心领神会嘛!