This is the 3016th most frequent Chinese word.
般的
"般的" means "like" or "similar to."
The phrase '一般的' here means 'similar to' or 'like,' comparing his speed to the wind's.
他跑得像风一般的快。
He runs as fast as the wind.
The phrase '一般的' in this context conveys a sense of likeness, drawing a comparison between her mood and the sky's serenity.
她的心情如同天空一般的宁静。
Her mood is as serene as the sky.
In this case, '一般的' refers to something common or ordinary, describing the life that brings satisfaction.