Correct
坐山观虎斗
/ zuò shān guàn hǔ dòu /
Strokes
Definition
sit on the mountain and watch the tigers fight/watch in safety whilst others fight then reap the rewards when both sides are exhausted (idiom)
Example
Definition
sit on top of the mountain to watch the tigers fight—watch in safety while others fight, and then reap the spoils when both sides are exhausted