a grain of sand

Translations
песчинка
In the grand scheme of things, our problems are just a grain of sand.
В общем масштабе наши проблемы - это всего лишь песчинка.
Definitions
A grain of sand refers to a small, individual particle of sand, often used metaphorically to represent something insignificant or minuscule in the grand scheme of things.
Words
a

article or possessive pronoun
один
grain

noun
песчинка
of

preposition
из
sand

noun
песок