get one's feet wet
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.
keep one's feet
To keep from falling or slipping down; keep your balance; remain standing.
The boy stumbled on the stairs but was able to keep his feet.
knock off one's feet
To surprise (someone) so much that he does not know what to do.
Her husband's death knocked Mrs. Jones off her feet.
When Charlie was given the prize, it knocked him off his feet for a few minutes.
land on one's feet
land on both feet
To get yourself out of trouble without damage or injury and sometimes with a gain; be successful no matter what happens.
No matter what trouble he gets into, he always seems to land on his feet.
Mary lost her first job because she was always late to work, but she landed on her feet and soon had a better job.
After a series of personal and professional difficulties, it’s amazing that George has landed on his feet so quickly.
Some young adults get into so much trouble at school that they are never able to land on their feet again. They drop out before graduating.
let grass grow under one's feet
To be idle; be lazy; waste time. Used in negative, conditional, and interrogative sentences.
The new boy joined the football team, made the honor roll, and found a girlfriend during the first month of school. He certainly did not let any grass grow under his feet.
Grandpa spends so much time sitting and thinking that Grandma accuses him of letting the grass grow under his feet.
on one's feet
Standing or walking; not sitting or lying down; up.
Before the teacher finished asking the question, George was on his feet ready to answer it.
In a busy gasoline station, the attendant is on his feet all day.
Recovering; getting better from sickness or trouble.
Jack is back on his feet after a long illness.
Susan was on her feet soon after the operation.
The bank loaned the store money to get it back on its feet after the fire.
Used in idioms land on one's feet, stand on one's own feet and think on one's feet.
I wouldn't worry about Chloe - no matter what bizarre scheme she gets mixed up in, she always lands on her feet.
put one's feet up
Отдыхать после работы сидя или лежа.
If I am early and you are not here I can put my feet up for a moment and have a rest.
Если я приду рано и тебя не будет, я могу немного посидеть и отдохнуть.
regain one's feet
To get back up again after falling down.
Tom fell while he skied down the hill but he regained his feet quickly.