Official Doc

https://github.com/dimsav/laravel-translatable#tutorials

Schema

Main table: store_menu, translated table: store_menu_translations

Schema::create('store_menu', function (Blueprint $table) {
	$table->bigIncrements('id');
	$table->integer('store_id');

	/*
		Don't need to add columns need to be translated in main table
	*/
	
	$table->tinyInteger('status')->default(1);
	$table->timestamps();
	$table->softDeletes();
});

Schema::create('store_menu_translations', function (Blueprint $table) {
	$table->increments('id');
	$table->string('locale')->index();
	$table->bigInteger('store_menu_m_id')->unsigned();
	
	/*
	$table->bigInteger('menu_id')->unsigned();
	I tried to use this column name to reference to main table, 
	but error occurs when saveing data and it says 'store_menu_m_id' not found.
	Have no idea where to change the rule
	*/

	// Columns need to be translated
	$table->string('name')->nullable();
	$table->string('subtitle', 255)->nullable();
	$table->text('summary')->nullable();
	$table->longText('description')->nullable();
	$table->text('note')->nullable()->nullable();

	$table->unique(['store_menu_m_id','locale']);
	$table->foreign('store_menu_m_id')->references('id')->on('store_menu')->onDelete('cascade');
});

Full example:

https://quickadminpanel.com/blog/how-to-add-multi-language-models-to-laravel-quickadminpanel/

Controller to save data

$menu = new StoreMenuM;
$menu = TranslateM::to_translate_data($data, $menu);
//logg($menu);
$menu->save();

TranslateM

<?php
namespace App\Models;

use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Config;
use Illuminate\Database\Eloquent\Model;

use Carbon\Carbon;

class TranslateM extends Model{

    static function to_translate_data($data, $model){
        $locales = Config::get('wikirex.locales');
        //logg($data);

        foreach ($data as $key => $value) {
            $match = null;
            foreach ($locales as $code => $locale) {
                preg_match('/^(.+)\_(' . $code . ')$/', $key, $match);
                //logg($match);
                if($match != false){
                    break;
                }
            }
            //logg($match);

            if($match == false){
                $model->{$key} = $value;
            }else{
                $model->translateOrNew($match[2])->{$match[1]} = $value;
            }
        }

        return $model;
    }
}