all the world and his wife是固定短语，意思是"人人"、"每个人"、"所有的人"、"不分男女"等。

【例句】
All the world and his wife seem to be out at the beach today.
今天好象全世界所有的人都到海边来了。

All the world and his wife were at the ball.
所有的人都参加了舞会。