get one's feet wet

get one's feet wet  {v. phr.},  {informal}
To begin; do something for the first time.
The party was at Bill's house and when Ruth and I got there the party had already started. "Jump right in and don't be afraid to get your feet wet," said Bill.
"It's not hard to dance once you get your feet wet," said the teacher.
Categories: informal time verb
Source: A Dictionary of American Idioms

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