J

 1. jump on someone  跳在人身上 ~~ 亂發脾氣

     (1) He will jump on you when he knows you told a lie.

 

 2. junk mail  帆船郵件 ~~ 垃圾信件

     (1) Have you ever got junk mails?

 

 3. just what the doctor ordered  正是醫生開的方子 ~~ 正合我意

     (1) Should I call her?  That's just what the doctor ordered.