a rogue elephant的用法和样例：
- Don't get too matey with him he's a rogue.
- The arms race was a "rogue elephant" against which we all must act.
- His elder son turned out a rogue.
- He carefully drew a bead on the rogue elephant and shot it dead.
- My little Brother is such a rogue!
- He's a bit of a rogue, but very charming.