n.自以为聪明者；自以为懂事的人
Allen is a wiseacre who hears the grass grow. 艾伦是个自作聪明的人，对什么事都非常敏感。
Jack is a wiseacre who hears the grass grow. 杰克是个自作聪明的人，对什么事都非常敏感。
Couric: “Did you tell them you're a bit of a wiseacre? 你有没有告诉他们你有那么些自以为是？
Look down upon those arrogant and selfish and wiseacre men. 狠狠的鄙视自以为是的''帅''男.
Such sayings themselves grow harder and adhere more firmly with age， and it would take many blows with a trowel to clean an old wiseacre of them. 这种话的本身也愈经久而愈牢固了，必需用瓦刀一再猛击之，才能粉碎它，使一个自作聪明的老人不再说这种话。
