ail
verb uk/eɪl/ us/eɪl/
(CAUSE DIFFICULTY)
[ T ] formal困扰，使苦恼；使处境困难
to cause difficulty and problems for someone or something
The government seems to have no understanding of what ails the country. 政府好像不了解国家问题的症结所在。
(BE/MAKE ILL)
[ I or T ] old-fashioned（使）生病;（使）不适
to be ill, or to cause to be ill
She had been ailing for years before she died. 她去世前几年就一直病魔缠身。