the devil is in the details

Etymology
In allusion to.

Proverb

 * 1)  The specific provisions of, or particular steps for implementing, a general plan, policy, or contract may be complicated, controversial, or unworkable.

Translations

 * Chinese:
 * Mandarin: 關鍵在細節，細節決定成敗
 * Danish:
 * Dutch: de duivel zit in de details
 * Finnish: piru asuu yksityiskohdissa
 * French:
 * German: der Teufel steckt im Detail
 * Greek: ο διάβολος κρύβεται στις λεπτομέρειες
 * Hungarian: az ördög a részletekben rejlik
 * Italian: il diavolo è nei dettagli, il diavolo si nasconde nei dettagli
 * Japanese: 悪魔は細部に宿る
 * Polish:
 * Portuguese: o diabo mora nos detalhes
 * Romanian: teoria ca teoria, dar practica ne omoară, socoteala de acasă nu se potrivește cu cea din târg, dracu-i în amănunte ascuns.
 * Russian: гла́дко бы́ло на бума́ге, да забы́ли про овра́ги
 * Spanish: el diablo está en los detalles
 * Swedish: djävulen sitter i detaljerna
 * Turkish: şeytan ayrıntıda gizlidir