get one's wires crossed

Etymology
From the early days of telephony, when touching wires could reroute conversations.

Verb

 * 1)  To get confused or mixed up about another person's intentions; to misunderstand one another.

Translations

 * Arabic:
 * Chinese:
 * Mandarin:
 * Finnish: käydä väärinkäsitys
 * French: avoir un ,
 * German: einander, an einander
 * Russian: ,
 * Spanish: (a alguien)
 * Turkish: