have a screw loose的用法和樣例：
例句
用作動(dòng)詞 (v.)
- There was a fuss when the bus broke down again.
巴士又出故障時(shí)大家都抱怨起來(lái)。 - I believe they have found the problem.
我想他們已經(jīng)找出故障的地方了。 - Those mechanics have fouled up my car again.
那些機械師又把我的車(chē)給搞出毛病來(lái)了。 - I'm having a lot of trouble with my computer.
我的電腦總出毛病。
