to draw lines, shapes, etc., especially when you are bored or thinking about something else（尤指厌烦或心不在焉时）乱涂，胡写乱画- I often doodle when I'm on the phone.我打电话时常常信手乱画。🔊🔊
- She had doodled all over her class notes.她在课堂笔记上都乱涂乱画。
Word Originearly 17th cent. (originally as a noun denoting a fool, later as a verb in the sense ‘make a fool of, cheat’): from Low German dudeltopf, dudeldopp ‘simpleton’. Current senses date from the 1930s.