only after　如何用

only after 和 not untill 意思差不多,表示“仅仅等...才...”
例句：
He showed up 【 only after 】everyone else had finished eating.
等大家都吃完了,他才露面.
He reached his decision 【 only after】 much meditation.
他经过认真思考后才作出了决定.
【Only after 】 many setbacks was success achieved.
几经周折才告成功.
The problem was solved 【only after】 several lengthy discussions.
那个问题几经长时间的讨论才得以解决.