MIDDLEin the middle between two points, sizes, periods of time etc 介于两者之间的 → midpoint
She was at that in-between age, neither a girl nor a woman.
她的年龄介于女孩与妇女之间。
Examples from the Corpus
in-between• She's at that in-betweenage, neither a girl nor a woman.• It was a strangein-between time for Manila, a time when the bind seemed especially strangling.