keep up (something)

to continue to do or have something.

Keep up the good work.

Even though he lost his job, they managed to keep up an expensive lifestyle.

I have a great relationship with my children now, and I'm doing my best to keep that up.

• of the moment
• of the old school
• of two minds
• of two minds about
• of two minds about something
• of your dreams
• of your own accord
• of your own making
• oil the wheels
• Old Bill
• old-boy network
• old country
• oldest profession
• oldest profession in the world
• oldest trick in the book
• olde-worlde
• two-time
• two-timer
• two-time someone
• two-timing
• two-way street
• Uncle Sam
• under a cloud
• under a microscope
• under arrest