中文 Chinese

• 殫精竭慮
• 殚精竭虑

英文 English Explain:

• to exhaust one's thoughts and ingenuity (idiom); to think sth through thoroughly
• to rack one's brains
• to leave no stone unturned

殫精竭慮 殚精竭虑 English Pronunciation:

• [dan1 jing1 jie2 lu:4]