manic

1. ADJ If you describe someone as manic, you mean that they do things extremely quickly or energetically, often because they are very excited or anxious about something. 狂热的

He was really manic. 他真的很狂热。

2. manicallyADV 狂热地

We cleaned the house manically over the weekend. 我们周末热情十足地打扫了房间。

3. ADJ If you describe someone's smile, laughter, or sense of humour as manic, you mean that it seems excessive or strange, as if they were insane. 发疯似的

...a manic grin. …傻傻的咧嘴笑。