冥思苦想 míng sī kǔ xiǎng

DEFINITIONS

  1. to consider from all angles (idiom); to think hard
  2. to rack one's brains

CHARACTERS

冥 míng dark, gloomy, night; deep
思 sī think, consider, ponder; final particle
苦 kǔ bitter; hardship, suffering
想 xiǎng think, speculate, plan, consider