He's certifiable(= he's crazy) .
他脑子有问题。
1.可证明的
1.someone who is certifiable is officially considered to be seriously mentally ill; behaving in a crazy unreasonable way
2.able to be officially accepted or approved
1.You're certifiable if you think I'll go with you. I hate that band and you know it.
如果你认为我想和你去的话，那你就是疯了。我不喜欢那个乐队，你是知道的。
2.Isolated areas in the northwestern corner of North Dakota and Upper Frontier of Canada are to date the only ranges of certifiable land.
在北达科他州的西北角与加拿大的交界处有个封闭的地区，是唯一认证的地区。
3.SADS should be a certifiable cause of death, which should prompt automatic screening of other family members, they contend.
已被证明SADS是致死的原因，作者认为应该加强对其他家庭成员的自动筛选。
4.I know you think that I'm certifiable to want to go outside, but I love the rain!
我知道你认为我想这会出去一定是疯了，但我的确喜欢雨。
5.Manure from genetically modified animals is not certifiable.
转基因动物来源肥料不可被认证。
6.Those were a medically certifiable illness or a death in the student's immediate family.
那就是有医疗证明的疾病，或者学生直系家人的亡故。
7.In some cases, the assessment may show that the product is not certifiable.
在某些情况下，评估可能显示产品不能被认证。
8.Are North Koreans nuts? Is their leader a certifiable wacko?
朝鲜人发癫了？他们的领导人是个变态？
9.The man was absolutely certifiable.
他肯定是个精神病。
10.Me, ask him out? You're certifiable!
我，邀请他？你疯了！