How to say unpromising in different languages

You can say unpromising as sans perspectives, sans issue in the following countries: Benin; Burkina Faso; Burundi; Central African Republic; Chad; Democratic Republic of the Congo; Djibouti; France; French Guiana; French Polynesia; French Southern Territories; Gabon; Guadeloupe; Guinea; Ivory Coast; Madagascar; Mali; Martinique; Mayotte; Monaco; Niger; Republic of the Congo; Reunion; Saint Barthelemy; Saint Martin; Saint Pierre and Miquelon; Senegal; Togo;

You can say unpromising as inviable, sin perspectiva, poco prometedor in the following countries: Argentina; Bolivia; Chile; Colombia; Costa Rica; Cuba; Dominican Republic; Ecuador; El Salvador; Equatorial Guinea; Guatemala; Honduras; Mexico; Nicaragua; Panama; Paraguay; Peru; Spain; Uruguay; Venezuela;

You can say unpromising as aussichtslos, perspektivlos in the following countries: Austria; Germany; Liechtenstein; Switzerland;

You can say unpromising as бесперспектыўны in the following countries: Belarus;

You can say unpromising as perspektivní in the following countries: Czechia;

You can say unpromising as kilátástalan in the following countries: Hungary;

You can say unpromising as бесперспективный in the following countries: Russia;

You can say unpromising as umut vermeyen in the following countries: Turkey;

You can say unpromising as неперспективний in the following countries: Ukraine;