How to say serious attempt in different languages

You can say serious attempt as tentative sérieuse 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 serious attempt as intento serio 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 serious attempt as ernstige poging in the following countries: Aruba; Belgium; Curacao; Netherlands; Netherlands Antilles; Sint Maarten; Suriname;

You can say serious attempt as tentativa séria in the following countries: Angola; Brazil; Cabo Verde; Guinea-Bissau; Mozambique; Portugal; Sao Tome and Principe;

You can say serious attempt as 认真的尝试 in the following countries: China; Hong Kong; Macao; Taiwan;

You can say serious attempt as ernsthafter versuch in the following countries: Austria; Germany; Liechtenstein; Switzerland;

You can say serious attempt as vakava yritys in the following countries: Finland; Northern Mariana Islands;

You can say serious attempt as σοβαρή απόπειρα in the following countries: Cyprus; Greece;

You can say serious attempt as tentativo serio in the following countries: Italy; San Marino;

You can say serious attempt as seriøst forsøk in the following countries: Norway; Svalbard and Jan Mayen;

You can say serious attempt as allvarligt försök in the following countries: Aland Islands; Sweden;

You can say serious attempt as сур'ёзная спроба in the following countries: Belarus;

You can say serious attempt as сериозен опит in the following countries: Bulgaria;

You can say serious attempt as vážný pokus in the following countries: Czechia;

You can say serious attempt as seriøst forsøg in the following countries: Denmark;

You can say serious attempt as tõsine katse in the following countries: Estonia;

You can say serious attempt as komoly kísérlet in the following countries: Hungary;

You can say serious attempt as nopietns mēģinājums in the following countries: Latvia;

You can say serious attempt as rimtas bandymas in the following countries: Lithuania;

You can say serious attempt as poważna próba in the following countries: Poland;

You can say serious attempt as серьезная попытка in the following countries: Russia;

You can say serious attempt as vážny pokus in the following countries: Slovakia;

You can say serious attempt as ciddi girişim in the following countries: Turkey;

You can say serious attempt as серйозна спроба in the following countries: Ukraine;