She never has free time anymore, she"s as busy as a bee with work."

她一点空闲时间都没有，工作忙得像蜜蜂。

youdao

I did have one adult student. She has 4 children, so she's very busy.

我有过一个成人学生。她有四个孩子，所以她很忙。

和钢琴老师 - SpeakingMax英语口语达人

She found a church she likes and took an interior design course, and she's staying busy fixing up the house she just bought.

NPR: A Year After His Death, Soldier's Family Reflects

She's too busy with movie projects.

WSJ: My China: China's Creative Pragmatist

She's so busy giving us information.

BBC: Still Here