搔着痒处
sāo​zháo​yǎng​chù

to hit the nail on the head

  1. 搔 sāo verb
    to scratch
    to scratch lightly with one's fingernails or an object
  2. 着 著 zháo particle
    [result]
    Used after a verb to show that an action was successful or reached its goal; meaning "hitting the mark".
  3. 痒 癢 yǎng adjectiveverb
    to itch
    to itch; to tickle; itchy; a ticklish or itching sensation
  4. 处 處 chù locativenoun
    place
    (bound form) A place, location, or spot.