伤脑筋

这种前沿探索为进一步深化现代伤脑筋研究提供了宝贵的第一手资料。

zhè zhǒng qián yán tàn suǒ wèi jìn yí bù shēn huà xiàn dài shāng nǎo jīn yán jiū tí gōng le bǎo guì de dì yī shǒu zī liào.

This cutting-edge discovery provides valuable first-hand material for further research into the modern headache challenge.

面对这个错综复杂且涉及多方利益平衡的疑难历史遗留问题，项目负责人感到十分伤脑筋。

miàn duì zhè ge cuò zōng fù zá qiě shè jí duō fāng lì yì píng héng de yí nán lì shǐ yí liú wèn tí, xiàng mù fù zé rén gǎn dào shí fēn shāng nǎo jīn.

Faced with this complicated and difficult historical issue involving the balance of interests among multiple parties, the project leader felt very troubled.