fill somebody's shoes
Meaning: If you can fill somebody's shoes, you can replace them and do what they do.
- Greg was a great captain for the team so it'll be difficult to find someone who can fill his shoes now that he's retiring.
- The general manager is training his son to fill his shoes when he passes the business on to him.
Ben's been a very good accountant for the firm, but now we need someone who can fill his shoes because