thoroughly (idiom); completely; one and all; very clean
一 · 1 strokes
A single horizontal stroke, representing the number one.
干 · 3 strokes
Pictograph of a type of hunting or military tool.
二 · 2 strokes
Two horizontal strokes, representing the number two.
净 · 8 strokes
Phonosemantic compound. 冫 represents the meaning and 争 represents the sound. Simplified form of 淨.
他把盘子吃得一干二净。
thoroughly (idiom); completely; one and all; very clean