dysfunction

1. N-COUNT If you refer to a dysfunction in something such as a relationship or someone's behaviour, you mean that it is different from what is considered to be normal. (关系或行为的)异常[正式]

...his severe emotional dysfunction was very clearly apparent. ...他情绪的严重异常是显而易见的。

2. N-VAR If someone has a physical dysfunction, part of their body is not working properly. 机能障碍; 功能不良[医学]

...kidney and liver dysfunction. ...肾和肝功能不良。