be in trim
To be in good health and physical shape. Primarily heard in UK. I've been going to the gym so that I'll be in trim for my island vacation. The Olympic cyclist is in trim year round. A: "Wow, Mikael looks great! I wouldn't have recognized him." B: "I know, he's really in trim these days."
keep in trim
To maintain good health and physical shape. Primarily heard in UK. I've been going to the gym to keep in trim for my island vacation.
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