That guy is eccentric.他是怪人。
He's a neat freak. 他有洁癖。
He's analy-retentive. 他极力讲求干净。 A lot of cuckoo birds hang out at this place. 许多奇形怪状的人在这儿游荡。
He's a weirdo. 他是个怪人。 He's got a couple of loose screws. 他有点儿怪里怪气。
He's unlike everyone else. 他有别于众。
2 He's a crackpot. 他的脑子坏了。
He's a little bit off-center. 他的神经有点儿不太平衡。
He's loony. 他每逢月圆就发疯。 She's a raving lunatic. 她是喋喋不休的疯子。
He's not playing with a full deck. 他不按牌理出牌。 She's a rational person. 她有理性。