earnest in Russian
earnest in Russian
ре́вностный
Intent; focused; showing a lot of concentration.
уси́ленный
Intent; focused; showing a lot of concentration.
серьёзный
Serious; weighty; of a serious, weighty, or important nature; important.
убедительный
Serious; weighty; of a serious, weighty, or important nature; important.
зада́ток
A sum of money paid in advance as a deposit; hence, a pledge, a guarantee, an indication of something to come.