Find (one's) feet American informal
Become used to something new like new jobs or new places
Some students often do not find their feet when they go to university.
For the first time, I have participated in outdoor activities, but they are too hard. And the lecturer tells me that find your feet or go home.
It takes time to find my feet when I move to another country.
The verb "find" should be conjugated according to its tense.
The origin is unclear, but It is related to the babies (people and animals) stand up and start walking.