save up for a rainy day

Translations
копить на черный день
Someone should save up for a rainy day in case of unexpected expenses.
Кому-то следует копить на черный день на случай непредвиденных расходов.
Definitions
To save money or resources for a time when they might be needed unexpectedly, especially in case of future difficulties or emergencies.
Words
save

verb
откладывать
up

adverb
впрок
for

preposition
на
a

article or possessive pronoun
один
rainy

adjective
дождливый
day

noun
день