“伤脑筋”造句

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.