cusp
n. 尖头;尖端
例句
I am sitting on the cusp of middle age.
我正处于中年。
《柯林斯英汉双解大词典》
I was born on the cusp between Virgo and Libra.
我生于室女宫和天秤宫会切的时辰。
《牛津词典》
He was on the cusp between small acting roles and moderate fame.
他这个配角演员现在已是小荷初露尖尖角。