wiseacre
n (dated 旧) person who pretends to be wise; know-all 自作聪明的人; 万事通.
🗣️ 情景例句
All window seats are sold out.
所有靠窗口的位子都卖光了。
I'm going to work.
我去上班。
As far as I could see, it needed only a minor adjustment: a turn of a screw here, a little tightening up there, a drop of oil and it would be as good as new.