| 寝首をかく;寝首を掻く | [ねくびをかく, nekubiwokaku] (exp, v5k) (1) to cut off the head of a sleeping person; to assassinate someone while he sleeps; (2) to catch someone off his guard by setting traps [Add to Longdo] |
| If you were to marry Cersei, she'd murder you in your sleep. | [JP] サーセイと結婚したら 彼女は寝首をかくぞ The Lion and the Rose (2014) |