1. 使某人惊讶或困惑：8. referendum 全民投票(以表决某政治问题) | 9. nonplus 使某人惊讶或困惑 | 10. devolve 将工作,职务等转交给某人

2. 困惑：nonperson 受排挤的人 | nonplus 困惑 | nonpolar 无极的

3. 使窘困,狼狈不堪：callus 老茧,皮肤硬厚处 | nonplus 使窘困,狼狈不堪 | surplus 过剩,剩余(物资)

4. 使困惑：discomfited 慌乱的 | nonplus 使困惑 | sullen 闷闷不乐的

verb

1. be a mystery or bewildering to

e.g. This beats me!
Got me--I don't know the answer!
a vexing problem
This question really stuck me

Synonym: perplexvexstickgetpuzzlemystifybafflebeatposebewilderflummoxstupefygravelamazedumbfound