费尽心思

Traditional form:

費盡心思

Pinyin (reading):

fèijìnxīnsi

Definitions:

• to rack one's brains (idiom); to take great pains to think sth through

Characters:

• 费 - expenses, fees; to cost, to spend; wasteful
• 尽 - to exhaust, to use up, to deplete
• 心 - heart; mind; soul
• 思 - to think, to ponder, to consider; final particle

Traditional characters:

• 費 - expenses, fees; to cost, to spend; wasteful
• 盡 - to exhaust, to use up, to deplete
• 心 - heart; mind; soul
• 思 - to think, to ponder, to consider; final particle