worth one's salt

Etymology
From the Ancient Roman practice of paying soldiers a or wage with which to buy salt.

Adjective

 * 1)  Adept or competent, especially at one's occupation.

Translations

 * Chinese:
 * Mandarin:
 * Danish:
 * Finnish: palkkansa arvoinen
 * French:
 * Italian:
 * Japanese:
 * Latin:
 * Polish: wart swojej ceny
 * Portuguese:
 * Romanian:
 * Russian: знающий своё дело, ,
 * Scots: wirth saut til his kail
 * Spanish: