侧巷和后花园之间用墙隔开了。The side alley was walled off from the back garden.老园丁死后, 花园就慢慢荒芜了.After the old gardener died, the garden grew wild.他们在后花园有一棵极好的桦树.They've got a wonderful birch in the back garden....

“后花园”的英语可以翻译为：[建]back yard garden ...