This is the 7812th most frequent Chinese word.
阻拦
"阻拦" means "to obstruct or prevent."
阻拦 is used here to mean 'to prevent' or 'to stop something from happening', applied to thwarting an attempted robbery.
警方成功阻拦了一次银行抢劫行动。
The police successfully prevented a bank robbery.
In this sentence, 阻拦 is used to mean 'to obstruct' or 'to block someone's action', indicating physical or situational prevention.
他试图阻拦我进入会议室，但最终没有成功。
He tried to block me from entering the meeting room but eventually failed.
阻拦 refers to 'to obstruct a passage or movement', describing how the roadwork prevents the flow of vehicle traffic.