A lifetime of joy中的of表示什么

A lifetime of joy中的of表示什么 A lifetime of loneliness什么意思 a lifetime of waiting A lifetime of happiness A lifetime of Promise Of A Lifetime 歌词 The smile of a lifetime You丶A lifetime of Pig wife keep up a lifetime of happiness什么意思 Lifetime love a person for a lifetime of happiness with a cup of pure water,face a lifetime of complex什么意思 a lifetime's worth of friends 翻译