mentally ill

1.By tacit agreement, Clark's friends all avoided any mention of his mentally ill wife.

克拉克的心照不宣, 绝口不提他那位患精神病的子。

2.Visiting that hospital for the mentally ill really brought home to me how sad some people’s lives are.

探访那家精神病院使我深深体会到有的生活有多么不幸。