正確。
enjoy oneself doing sth.玩得開心,過得愉快。
或者說enjoy oneself in doing sth.意思一樣,但in可以省略。
1. She enjoyed herself making the assistant bring almost everything in the window before finally buying the dress she had first asked for.
她開心地迫使這位售貨員幾乎把櫥窗內所有的東西都拿出來看看,最后才買下她最初要看的那件衣服。
2. Enjoy yourself playing in the garden.
在花園里盡情玩耍吧。