[Resolved] How can I translation custom function. php file checkout cities field

Sorry I didn't get it,,
Can you explain a bit more ? Here is full code of function.php file of which needs to translate it Arabic version too..Only the cities name. ...Note that, English is default, Secondary are french and Arabic

And this is from Child themes' function.php file

/**
* Change the checkout city field to a dropdown field.
*/
function ace_change_city_to_dropdown( $fields ) {

$cities = array(
'Adrar',
'Chlef',
'Laghouat',
'Oum El Bouaghi',
'Batna',
'Béjaïa',
'Biskra',
'Béchar',
'Blida',
'Bouira',
'Tamanrasset',
'Tébessa',
'Tlemcen',
'Tiaret',
'Tizi Ouzou',
'Alger',
'Djelfa',
'Jijel',
'Sétif',
'Saïda',
'Skikda',
'Sidi Bel Abbès',
'Annaba',
'Guelma',
'Constantine',
'Médéa',
'Mostaganem',
"M'Sila",
'Mascara',
'Ouargla',
'Oran',
'El Bayadh',
'Illizi',
'Bordj Bou Arreridj',
'Boumerdès',
'El Tarf',
'Tindouf',
'Tissemsilt',
'El Oued',
'Khenchela',
'Souk Ahras',
'Tipaza',
'Mila',
'Aïn Defla',
'Naâma',
'Aïn Témouchent',
'Ghardaïa',
'Relizane',
// etc
);

$city_args = wp_parse_args( array(
'type' => 'select',
'options' => array_combine( $cities, $cities ),
'input_class' => array(
'wc-enhanced-select',
)
), $fields['shipping']['shipping_city'] );

$fields['shipping']['shipping_city'] = $city_args;
$fields['billing']['billing_city'] = $city_args;

wc_enqueue_js( "
jQuery( ':input.wc-enhanced-select' ).filter( ':not(.enhanced)' ).each( function() {
var select2_args = { minimumResultsForSearch: 5 };
jQuery( this ).select2( select2_args ).addClass( 'enhanced' );
});"
);

return $fields;

}
add_filter( 'woocommerce_checkout_fields', 'ace_change_city_to_dropdown' );

function filter_rest_allow_anonymous_comments() {
return true;
}
add_filter('rest_allow_anonymous_comments','filter_rest_allow_anonymous_comments');