سهل ممتنع

Adjective

 * 1) difficult or complicated (of thing, concept, or task) while looking easy to comprehend, do, or imitate at first sight

Etymology
From.

Adjective

 * 1) Difficult or complicated (of thing, concept, or task) while looking easy to comprehend, do, or imitate at first sight.

Noun

 * 1) Something that looks simple or easy, but difficult to imitate.
 * 2)  A poem, verse, or literary work with inimitable simplicity, something that uses easy language, but is difficult to imitate; sahl-e-momtane', sahl-i-mumtani', sahl-e-mumtani', sahl-u-mumtani'.