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sweep one off one's feet, to impress or overwhelm by ability, enthusiasm, or charm.

The gaiety of the occasion swept them off their feet.

stand on one's own feet, Also stand on one's own two feet.

1. to be financially self-supporting.

2. to be independent.

   Overprotective parents do not prepare their children to stand on their own feet.

sit at the feet of, to attend upon as a disciple or follower.

American writers and painters no longer sit at the feet of Europeans.

land / fall on one's feet, to be lucky or successful, especially after difficulties.

He's had some rough times but has finally landed on his feet.

on one's feet,

1. in a standing position.

2. in an independent or secure position.

   The loan helped him get on his feet again.

3. in a restored or recovered state; able to continue.

   Psychotherapy helped her get back on her feet after her breakdown.

drag one's feet, to act or proceed slowly or without enthusiasm; to be reluctant to act, comply, etc..

We can't begin the project until the steering committee stops dragging its feet.