“苦思”的拼音？

“苦思”的英语可以翻译为：think hard，cudgel one's brains，languish for，languish，puzzle ...

为了安置你,我们苦思了两个月.We puzzled for two months about where to put you.他苦思家乡.He is languishing for home.我苦思良久,但仍旧记不起那个人的名字.I have searched my memory but can't remember that man's name....