v. phr. To become able to use (some power of the body or mind.) In the program for the parents, John was nervous and could not speak at first; then he found his tongue. The young bird had just found its wings. The baby was just beginning to find his feet. The question surprised him, and it was a minute before he found his tongue.
FIND ONE'S ---
Meaning of FIND ONE'S --- in English
American idioms English vocabulary. Английский словарь американских идиом. 2012