耳鬢廝磨 ěr bìn sī mó

DEFINITIONS

  1. lit. heads rubbing together (idiom)
  2. fig. very close relationship

CHARACTERS

耳 ěr ear; merely, only; handle
鬢 bìn hair on temples
廝 sī servant
磨 mó grind; polish; rub; wear out; a millstone