名詞 craziness:

1. informal terms for insanity
   同義詞：daftness, flakiness
2. the quality of being rash and foolish
   同義詞：folly, foolishness, madness
3. foolish or senseless behavior
   同義詞：folly, foolery, tomfoolery, lunacy, indulgence

1. At first we are very much interested in him, but now we are afraid of his craziness.
   最初我們對他很感興趣，可現在我們對他的瘋狂感到恐懼。