Definition (不作為)
to remain passive and wait for events to unfold without taking any action
袖手旁觀
In this situation, you can only sit back and wait for things to unfold without being too anxious.
在這種情況下，你只能坐等事情發展，不要太焦慮。
He chose to sit back and watch how others tackled the problem.
他選擇坐視不管，看別人如何解決問題。
In the match, the spectators sat back, waiting for exciting moments.
在比賽中，觀眾們坐著等待精彩時刻的到來。