challenging

Etymology
From ; equivalent to.

Adjective

 * 1) Difficult, hard to do.

Translations

 * Bulgarian:
 * Catalan: desafiador
 * Chinese:
 * Mandarin: 很有挑戰性, 很有挑战性 (hěn yǒu tiǎnzhànxìng), 困难的
 * Danish: udfordrende
 * Dutch:
 * Finnish:, ,
 * French:, ,
 * German: ,
 * Hebrew: מאתגר
 * Italian: ,
 * Polish:
 * Portuguese:
 * Russian: ,
 * Spanish:, desafiador
 * Thai:

Noun

 * 1) The act of making a challenge.