1、He must have a screw loose somewhere; he's acting really strangely.
他一定是哪根筋不對，他的行動真奇怪。

2、John must have a screw loose to quit such a good job
約翰辭掉這么好的工作，一定是神經(jīng)不正常。

3、John must have a screw loose to quit such a good job.
約翰辭掉這么好的工作，一定是神經(jīng)不正常。

4、Bill must have a screw loose somewhere; he's acting really strangely.
比爾肯定是哪里不對勁了，他的行為很奇怪啊。

have a screw loose翻譯