let up on (something)

to make less of an effort to do something.

NASA eventually let up on trying to convince the public that every astronaut was happily married.

• turn someone out
• turn someone out of
• turn someone out of somewhere
• turn someone over
• turn something against
• turn something against someone
• turn something against something
• turn something around
• turn something away
• turn something inside out
• turn something loose
• turn something on its ear
• turn something on its head
• turn something over
• turn something to good account
• turn something topsy-turvy
• turn something upside down
• turn swords into ploughshares
• turn tail
• turn the clock back
• turn the corner
• turn the knife
• turn the other cheek
• turn the page
• turn the screws on