stumbling on happyness怎么翻译?

stumbling on happyness怎么翻译? keeps stumbling 什么意思He keeps stumbling on his feet, but the walk doesn't feel all that long.翻译这句? Stumbling blocks but stepping 英语翻译He keeps stumbling on his feet,but the walk doesn't feel all that long.这句不知该怎么译成中文 what are the stumbling blocks in intercultural communication 英语翻译I've been knocking on the door that holds the throneI've been looking for the map that leads me homeI've been stumbling on good hearts turned to stoneThe road of good intentions has gone dry as boneWe take care of our ownWe take care of o 求问：这句话中of him stumbling..这是什么用法啊?求具体介绍!But,would his parents approve of him stumbling through this symbolic day? Sometimes just a word,to listen to each other's anyhow.Perhaps this just a stumbling,spent will on ON on on on on on on on on