Structure:
Subject + Time + 才 + Verb + Object
Meaning:
In English this might be expressed with “as late as” or “not until”. This form is often used with a time number of some sort, like a specific time, age etc.
Examples:
他 二十八 岁 才 拿到 驾驶执照。
Tā èr shí bā suì cái ná dào jià shǐ zhí zhào
He didn’t get his driver’s license until he was 28.