John·ny–come–late·ly 
/ˈʤɑ:niˌkʌmˈleɪtli/ noun
plural John·ny–come–late·lies /ˈʤɑ:niˌkʌmˈleɪtli/ noun [count] informal : a person who has recently joined a group, started a new activity, etc. : newcomer
▪ When it comes to investing, she's no Johnny-come-lately.
▪ When it comes to investing, she's no Johnny-come-lately.
