open (new) doors

to give someone new opportunities.

The success of that film opened new doors for him. (sometimes + for)

Early results show that the new system would open doors to disadvantaged people. (sometimes + to)

• the moment of truth
• the more one thing happens the more
• the more one thing happens the more another thing happens
• the more the merrier
• the more the merrier.
• the more the more
• the more the more another thing happens
• the morning after
• the morning after the night before
• the mother from hell
• the mother of all
• the mother of all something
• the mot juste
• the movers and shakers
• the moving spirit
• then again
• the name of the game
• then and there
• the nature of the beast
• the new kid on the block
• the next rung on the ladder
• the nightmare scenario
• the nitty-gritty
• the nouveau riche
• the nuts and bolts