Alemán Valdés
biographical name
Alemán Val·dés väl-ˈdes 
Miguel 1902–1983 Mexican lawyer; president of Mexico (1946–52)
- on a tear
- on a tight budget
- on a trial basis
- on a whim
- on a wing and a prayer
- on a/the downswing
- on a/the knife-edge
- on about
- on account
- on account of
- on aggregate
- on air
- on all counts
- on all cylinders
- on all hands
- on all/several counts
- on an empty stomach
- on an equal footing
- on an even keel
- on and off
- on and on
- on another line
- on appeal
- on approval
- on at