hass-core/homeassistant/components/faa_delays/translations/cs.json

{
    "config": {
        "error": {
            "cannot_connect": "Nepoda\u0159ilo se p\u0159ipojit",
            "unknown": "Neo\u010dek\u00e1van\u00e1 chyba"
        }
    }
}