"cusp" in Chinese (Simplified)
尖端关键点
Definition
“Cusp” 指事物的尖端或顶点，也指即将发生重大变化的关键时刻。
Usage Notes (Chinese (Simplified))
“Cusp” 多用于正式、学术或文学语境。常见表达：'on the cusp of'（即将发生），也可指牙齿或角的位置。数学和天文学中也常用此词表示尖点或关键点。
Examples
We are on the cusp of a new year.
我们正处在新年的**关键点**上。
The cusp of the mountain was covered in snow.
山的**尖端**被雪覆盖了。
She stood on the cusp of making an important decision.
她正处在做重要决定的**关键点**。
This discovery could put us on the cusp of a breakthrough in medicine.
这一发现可能让我们处于医学突破的**关键点**。
Many teens feel like they’re on the cusp of adulthood, not quite kids, not quite adults yet.
许多青少年觉得自己正处于成年的**临界点**，既不是孩子，也还不是大人。
The patient's tooth had a sharp cusp that needed to be smoothed.
病人的牙齿有一个尖锐的**尖端**需要被磨平。