She's all there; she will soon work out how to do it.

她很精明。她会马上知道怎样做。

youdao

I'm sorry to wake you up, but I am worried about your mom. I don't think she's all there.

很抱歉把你吵醒，但我很担心你母亲，我觉得她头脑不清醒。

youdao

She's been very busy at work and then there was all that trouble with her son.

她工作一直很忙，另外还有儿子的一大堆麻烦事。

《牛津词典》

and she doesn't see it at all until right at the end when there's a denouement, sort of revelation,

但是，她直到最后的结局才恍然大悟，算是一种启示，

话剧排练结束后 - SpeakingMax英语口语达人

She's been there all these years.

NPR: Adelman Gets 1,000th W In Wolves' 107-101 Win

When you're with her in the directors' box, she's there in the middle of all the men in suits, wearing her team scarf and shouting.

BBC: Delia: The Cook and the Canaries

"The structure couldn't hold the weight and it couldn't go up there because it's mostly all rocks, " she said.

BBC: Battery Point lighthouse