孩子老是不写作业，让做父母的很伤脑筋。

Háizi lǎoshì bù xiě zuòyè, ràng zuò fùmǔ de hěn shāng nǎojīn.

The child always refuses to do homework, which really gives the parents a headache.

这次活动的预算太有限了，怎么安排真是让人伤脑筋。

Zhè cì huódòng de yùsuàn tài yǒuxiàn le, zěnme ānpái zhēnshi ràng rén shāng nǎojīn.

The budget for this event is very limited; figuring out how to arrange everything is really a headache.