[no obj.]scribble absent-mindedly (心不在焉地)乱涂 he was only doodling in the margin. 他只是在空白处乱画。
noun
a rough drawing made absent-mindedly (心不在焉)乱涂的图画
派生 doodler noun 语源
early 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