insane

疯狂的；精神病的；极愚蠢的英释中释adjcompletely stupid or crazy, often in a way that is dangerous

1 insane asylum,精神病院

1 That’s an insane risk..那是疯狂的冒险之举。

2 The whole idea sounds absolutely insane to me..整个主意在我看来荒谬至极。

3 Why did you do that? Have you gone insane?.为什么这么做？你疯了吗？