This is the 16805th most frequent Polish word.
wyjeżdżali
"Wyjeżdżali" means "they were leaving" or "they were departing."
In this sentence, 'wyjeżdżali' is in the past tense and describes the act of leaving a location (the city) by someone speficied in a plural form (context indicates they).
Dwa tygodnie temu wyjeżdżali z miasta na wakacje.
Two weeks ago, they were leaving the city for vacation.
Here, 'wyjeżdżali' indicates a repetitive past action, suggesting a habitual activity completed regularly.
Codziennie po pracy wyjeżdżali na krótką wycieczkę rowerową.
Every day after work, they would go on a short bike trip.
In this scenario, 'wyjeżdżali' describes the action of departing specifically referring to the motion related to the verb's subjects (the guests).