to raise one and infer three; to deduce many things from one case (idi
举 · 9 strokes
Simplified form of 舉. Phonosemantic compound. 手 represents the meaning and 與 represents the sound.
一 · 1 strokes
A single horizontal stroke, representing the number one.
反 · 4 strokes
Pictograph of a hand (又) climbing a cliff (厂). Based on original meaning "climb", now written as 扳. The meaning later shifted to "pull" and "reverse".
三 · 3 strokes
Three horizontal strokes, representing the number three.
这个老师讲课从不照本宣科而是鼓励学生举一反三。
This teacher is very good at drawing inferences.