One person's trash is another person's treasure.

Другие идиомы:

• one in a million
• one's number is up
• one and the same
• at one with (someone)
• quick one
• on one's guard
• hundred and one
• one's frame of mind
• one for the (record) books
• on one's shoulders
• on one's best behavior
• back to square one
• one of those things
• one that got away
• not one iota