词汇与表达：是crazy还是manic

manic
感觉是有点病态的狂热的意思

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喜怒无常的情绪变化

full of activity, excitement and anxiety; behaving in a busy, excited, anxious way
同义词： hectic
Things are manic in the office at the moment.
这会儿办公室里一片忙乱。
The performers had a manic energy and enthusiasm.
表演者有一种疯狂的劲头和激情。