n.瘋子
adj.瘋狂的;極蠢的
People in this town know him as a lunatic. 這個鎮(zhèn)上的人們稱他為瘋子。
I really don't know what kind of man he really is; on one occasion, he is normal, and on another, he acts like a lunatic. 我真不了解他到底是怎樣的人; 一會兒正常,一會兒又像個瘋子。
用作形容詞 (adj.)The man's lunatic behavior is a menace to society. 那個人的瘋狂行為構(gòu)成對社會的威脅。