“伤脑筋”的英语可以翻译为：cause sb. enough headache，knotty，troublesome，bothersome ...

也许他正在为其中牵扯的道德问题而伤脑筋。Perhaps he was agonizing over the moral issues involved.他为孩子们大伤脑筋。He was rather bemused by children.他坐在那里对着古老的希伯来文本大伤脑筋。He sits puzzling over ancient Hebrew texts....

“伤脑筋”的拼音为：shāng nǎo jīn...