English 
on the up and up
(behavior)
German 
Dutch 
translation - on the up and up translate | English dictionary
- on the spot
- on the spur of the moment
- on the subject of
- on the transmit side
- on the understanding that
on the up and up
- on the up-and-up
- on the verge of
- on the warpath
- on the way
- on the way to
- on the whole
- on the wrong track
- on time
- on tiptoe
- on tiptoes
- on top
- on vacation
- on-baord diagnostics
- on-board bill of lading
- on-board computer
- on-board electrical system
- on-going models
- on-hook
- on-hook condition
- on-hook pulse
- on-hook signal
- on-line
- on-line backup
- on-line data transmission
- on-line devices
