1. be a mystery or bewildering to
同義詞:perplex, vex, stick, get, puzzle, mystify, baffle, beat, pose, bewilder, flummox, stupefy, gravel, amaze, dumbfound
- 習慣用語
- at a nonplus 進退維谷, 左右為難
- put [reduce] sb. to [in] a nonplus 使某人為難, 使窘困(Her question put me in a nonplus. 她的問題使我狼狽不堪)