“落入圈套”常见的英文表达有 “fall into a trap” 或 “be caught in a trap”。
“fall into a trap”：强调不知不觉地、意外地陷入某种不利或危险的境地。例如：He fell into a trap set by his enemies.（他落入了敌人设下的圈套。）
“be caught in a trap”：侧重于被困在圈套中，难以脱身。例如：The thief was caught in a trap laid by the police.（小偷落入了警察设下的圈套 。）