她在更年期期间开始练习瑜伽来缓解不适。

She started practicing yoga to ease discomfort during her ___climacteric.

她四十多岁时经历了一段心理动荡期，开始重新思考自己的人生方向。

She experienced a ___climacteric in her early 40s, reevaluating the direction of her life.

这个项目正处于关键阶段，成败在此一举。

The project is at a ___climacteric where success or failure will be decided.