happen to know

Translations
случайно знать
Do you happen to know where the nearest gas station is?
Вы случайно не знаете, где находится ближайшая заправка?
Definitions
A colloquial expression used to inquire if someone has knowledge or information about a particular subject or situation.
Words
happen

verb
случайно
to

preposition
к
know

verb
знать