Correct
从井救人
/ cóng jǐng jiù rén /
Strokes
Definition
to jump into a well to rescue sb else (idiom); fig. to help others at the risk to oneself
Example
Definition
try to save sb who's fallen into a well by jumping into the well oneself; go into a well to save sb only to find oneself in a dilemma—do a good deed in a wrong way; try to save sb's life at the risk of one's own