one-trick pony

Noun

 * 1) A performing animal (especially a pony) that knows only one trick.
 * 2)  A person or group noteworthy for only a single achievement, skill, or characteristic.

Translations

 * Chinese:
 * Mandarin:
 * Finnish: yhden tempun osaava poni
 * French:


 * Chinese:
 * Mandarin:
 * Finnish: yksitaitoinen ihminen, yhden asian ihminen
 * French:
 * Scottish Gaelic: pìobaire an aon phuirt