enjoy oneself doing sth.= have a good / great time doing sth表示“从……中得到乐趣”。如：
He enjoyed himself making the dog run after beggars.他让那条狗追逐乞丐，并从中取乐。
She enjoyed herself making the assistant bring almost everything in the window before finally buying the dress she hadfirst asked for. 她开心地迫使那位售货员把橱窗里几乎所有的东西都拿了出来，最后才买下了她最先要看的那一件。《新概念英语》第2册第57课
The children enjoyed themselves playing inthe water. 孩子们在水中玩得很高兴。
He always enjoys himself making fun ofothers. 他总是喜欢以开别人的玩笑来取乐。《英汉双向大词典》
Einstein enjoyed himself playing his violinin his simple home. 爱因斯坦在他那简朴的家里拉小提琴消遣。《英汉双向大词典》