be a [athlete etc.] in the making



be a [athlete/star/writer etc.] in the making

if someone is an athlete, star, writer etc. in the making, they are likely to develop into that thing This young swimmer is an athlete in the making.
See also: making

Common Names:

NameGenderPronouncedUsage
Constantina-Late Roman
Makenziemə-KEN-zeeEnglish (Modern)
Laird[lɛəd]
KaidenKAY-dənEnglish (Modern)
EastonEES-tənEnglish (Modern)
Arkadios-Ancient Greek