英语翻译After the birth of my second child,I got a job at a rest

英语翻译
After the birth of my second child,I got a job at a restaurant.Having worked with an experienced waitress for a few days,I was allowed to wait tables on my own.All went well that first week.When Saturday night came,I was luckily given the tables not far from the kitchen.However,I still felt it a little hard to carry the heavy trays.
上面这段啥意思,翻译下